Why 24/7 Trading is a Bad Idea
The New York Stock Exchange and Nasdaq have applied for regulatory permission to extend their trading hours to 22 and 24 hours daily, respectively. Nasdaq expects to implement round-the-clock trading from the second half of 2026. The London Stock Exchange is considering similar extensions, according to Financial Times. Several retail brokers already facilitate overnight trading through alternative platforms and "dark pools" -- off-exchange venues that operate during non-standard hours. Robinhood began offering all-night trading for select stocks in May 2023, while Charles Schwab announced plans to expand its overnight trading service to 1,100 securities this July. Economist argues that 24/7 trading is a bad idea. The publication writes: The problem with such trading is that price discovery can be fraught with difficulty. In fact, this is partly why institutional investors like dark pools: their lighter reporting requirements, compared with exchanges, allow big orders to be executed without alerting the wider market beforehand, which would move the price. Professionals taking the other side of these trades accept the risks and know how to navigate them. Amateurs, getting a worse price than they might have done in daylight, often do not.
The witching hours are currently when all manner of dull, but vital, post-trade processes take place, from settlement and valuation to the reconciliation of mistakes. Once trading is non-stop, there will be no pause for the financial plumbing to clear. Nor for traders to rest in the knowledge that the market is resting with them, so there is no need to refresh their screens. In today's always-on world, stock exchanges' limited opening hours might seem old-fashioned. But get ready to miss them once they're gone.
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Power Cuts, Cable Damage, and Government Shutdowns Behind Q2 Internet Outages
Internet outages spiked during the second quarter of 2025, driven by government-mandated shutdowns, infrastructure failures, and technical glitches, according to Cloudflare's quarterly disruption report.
Government restrictions returned after a quiet first quarter, with Libya, Iran, Iraq, Syria, and Panama imposing internet cutoffs for reasons ranging from protest suppression to exam security. A massive power outage on April 28 knocked Spain's internet traffic down 80% and Portugal's by 90%, with service restored around 1 a.m. the following day.
Cable damage caused complete outages for Digicel in Haiti and a 90-minute disruption for Airtel in Malawi. Several major outages went unexplained, including an eight-hour blackout at SkyCable in the Philippines and a nationwide outage at Thai provider TrueMove H, with companies providing no official explanations for the service failures.
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War on Hidden Motors Goes Undercover
ItsJustAPseudonym shares a Reuters story:The International Cycling Union (UCI) has intensified its fight against mechanical doping, employing intelligence-driven methods to combat increasingly sophisticated alleged cheating in professional cycling. ItsJustAPseudonym adds: They call the use of hidden motors "mechanical doping". In 2010 it led to the ban of a rider from Belgium who had a hidden motor in her seat-tube during a cyclocross event.
"It's a bit of a technological arms race. Components are getting lighter, smaller. Easier to conceal, which is harder to detect", according to Nick Raudenski, the UCI Head of the Fight Against Technological Fraud.
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Sony is Fighting Climate Change By Scaling Back PS5 Performance
An anonymous reader shares a report: Sony is testing a Power Saver mode for the PlayStation 5, explaining in a new PlayStation Blog update that the option will permit games to run with lower power consumption. While the upcoming feature was revealed as part of the system update beta, the feature will not be available during the beta phase. However, when the feature does hit your console, players will gain access to a new option called Power Saver.
With Power Saver enabled, "supported PS5 games will scale back performance and will allow your PS5 to reduce its power consumption," explained Shuzo Kikuchi, VP of product management at Sony Interactive Entertainment. "If not enabled, or if games do not support the feature, the performance will not be scaled back and power consumption will not be reduced."
As for what scaled-back performance actually means, SIE indicates that VR mode will be unavailable and that "some gameplay features may be limited." So that's one very clear change, and one vague, game-specific change.
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Top UN Court Says Countries Can Sue Each Other Over Climate Change
A landmark decision by a top UN court has cleared the way for countries to sue each other over climate change, including over historic emissions of planet-warming gases. BBC: But the judge at the International Court of Justice in the Hague, Netherlands on Wednesday said that untangling who caused which part of climate change could be difficult. The ruling is non-binding but legal experts say it could have wide-ranging consequences. It will be seen as a victory for countries that are very vulnerable to climate change, who came to court after feeling frustrated about lack of global progress in tackling the problem.
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Meta Unveils Wristband That Controls Computers With Muscle Signals
Meta researchers published findings in Nature Wednesday detailing a wristband prototype that controls computers through hand gestures by reading electrical signals from forearm muscles. The device uses surface electromyography to detect signals from alpha motor neurons in the spinal cord that connect to muscle fibers, allowing users to move cursors with wrist turns, open applications with thumb-to-forefinger taps, and write text by tracing letters in the air.
The technology, developed at Meta's Reality Labs, trained neural networks on data from 10,000 participants to identify common muscle signal patterns. The wristband works without individual calibration across most users and can detect intended movements before physical motion occurs. Meta demonstrated the device controlling its Orion augmented reality glasses last fall and plans product integration over the next few years.
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US Nuclear Weapons Agency 'Among 400 Organizations Breached By Chinese Hackers'
A cyber-espionage campaign exploiting unpatched Microsoft SharePoint vulnerabilities has breached approximately 400 organizations worldwide, including the US National Nuclear Security Administration, according to Netherlands-based cybersecurity firm Eye Security. The figure represents a four-fold increase from 100 organizations cataloged over the weekend, with researchers calling it likely an undercount since not all attack vectors leave detectable artifacts.
Microsoft identified three Chinese groups -- state-backed Linen Typhoon and Violet Typhoon, plus China-based Storm-2603 -- as exploiting the vulnerabilities in on-premises SharePoint servers to steal authentication credentials and execute malicious code remotely. The campaign began July 7 and was first detected July 18 when Eye Security found unusual activity on a customer's server. Victims include the US Energy Department, Education Department, Florida's Department of Revenue, Rhode Island General Assembly, and European and Middle Eastern governments.
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COVID Pandemic Aged Brains By an Average of 5.5 Months, Study Finds
An anonymous reader quotes a report from NBC News: Using brain scans from a very large database, British researchers determined that during the pandemic years of 2021 and 2022, people's brains showed signs of aging, including shrinkage, according to the report published in Nature Communications. People who got infected with the virus also showed deficits in certain cognitive abilities, such as processing speed and mental flexibility. The aging effect "was most pronounced in males and those from more socioeconomically deprived backgrounds," said the study's first author, Ali-Reza Mohammadi-Nejad, a neuroimaging researcher at the University of Nottingham, via email. "It highlights that brain health is not shaped solely by illness, but also by broader life experiences."
Overall, the researchers found a 5.5-month acceleration in aging associated with the pandemic. On average, the difference in brain aging between men and women was small, about 2.5 months. "We don't yet know exactly why, but this fits with other research suggesting that men may be more affected by certain types of stress or health challenges," Mohammadi-Nejad said. [...] The study wasn't designed to pinpoint specific causes. "But it is likely that the cumulative experience of the pandemic -- including psychological stress, social isolation, disruptions in daily life, reduced activity and wellness -- contributed to the observed changes," Mohammadi-Nejad said. "In this sense, the pandemic period itself appears to have left a mark on our brains, even in the absence of infection." "The most intriguing finding in this study is that only those who were infected with SARS-CoV-2 showed any cognitive deficits, despite structural aging," said Jacqueline Becker, a clinical neuropsychologist and assistant professor of medicine at the Icahn School of Medicine at Mount Sinai. "This speaks a little to the effects of the virus itself."
The study may shed light on conditions like long Covid and chronic fatigue, though it's still unclear whether the observed brain changes in uninfected individuals will lead to noticeable effects on brain function.
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The Escobar Phone Scam Saga Has Finally Come To an End
Olof Kyros Gustafsson, former CEO of Escobar, pleaded guilty to fraud and money laundering charges related to the company's phone scam operation. The Department of Justice says Gustafsson took orders for phones branded with Pablo Escobar's likeness but failed to deliver products, instead transferring customer money for personal use.
When customers sought refunds, Gustafsson fraudulently referred payment processors to certificates of ownership as proof of delivery. The phones were Samsung devices with gold stickers. Gustafsson faces up to 20 years in prison and $1.3 million in restitution at his December 5th sentencing.
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Humans Can Be Tracked With Unique 'Fingerprint' Based On How Their Bodies Block Wi-Fi Signals
Researchers from La Sapienza University in Rome have developed "WhoFi," a system that uses the way a person's body distorts Wi-Fi signals to re-identify them across different locations -- even if they're not carrying a phone. By training a deep neural network on these subtle signal distortions, the researchers claim WhoFi is able to achieve up to 95.5% accuracy. The Register reports: "The core insight is that as a Wi-Fi signal propagates through an environment, its waveform is altered by the presence and physical characteristics of objects and people along its path," the authors state in their paper. "These alterations, captured in the form of Channel State Information (CSI), contain rich biometric information." CSI in the context of Wi-Fi devices refers to information about the amplitude and phase of electromagnetic transmissions. These measurements, the researchers say, interact with the human body in a way that results in person-specific distortions. When processed by a deep neural network, the result is a unique data signature.
Researchers proposed a similar technique, dubbed EyeFi, in 2020, and asserted it was accurate about 75 percent of the time. The Rome-based researchers who proposed WhoFi claim their technique makes accurate matches on the public NTU-Fi dataset up to 95.5 percent of the time when the deep neural network uses the transformer encoding architecture. "The encouraging results achieved confirm the viability of Wi-Fi signals as a robust and privacy-preserving biometric modality, and position this study as a meaningful step forward in the development of signal-based Re-ID systems," the authors say.
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Amazon Buys Bee AI Wearable That Listens To Everything You Say
Amazon is acquiring Bee, a startup that makes a $49.99 AI-powered wearable that passively listens to conversations and generates personalized summaries and suggestions. "You can also give the device permission to access your emails, contacts, location, reminders, photos, and calendar events to help inform its AI-generated insights, as well as create a searchable history of your activities," adds The Verge. From the report: When asked about Amazon's plans to apply the same privacy measures offered by Bee, such as its policy against storing audio, Amazon spokesperson Alexandra Miller says the company "cares deeply" about customer privacy and security, adding that the company will work with Bee to give users "even greater control over" their devices when the deal closes.
"We've been strong stewards of customer data since our founding, and have never been in the business of selling our customers' personal information to others," Miller says. "We design our products to protect our customers' privacy and security and to make it easy for them to be in control of their experience -- and this approach would of course apply to Bee." Miller also says the terms of the deal are "confidential," and all Bee employees have "received offers to join Amazon."
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Nvidia's CUDA Platform Now Support RISC-V
An anonymous reader quotes a report from Tom's Hardware: At the 2025 RISC-V Summit in China, Nvidia announced that its CUDA software platform will be made compatible with the RISC-V instruction set architecture (ISA) on the CPU side of things. The news was confirmed during a presentation during a RISC-V event. This is a major step in enabling the RISC-V ISA-based CPUs in performance demanding applications. The announcement makes it clear that RISC-V can now serve as the main processor for CUDA-based systems, a role traditionally filled by x86 or Arm cores. While nobody even barely expects RISC-V in hyperscale datacenters any time soon, RISC-V can be used on CUDA-enabled edge devices, such as Nvidia's Jetson modules. However, it looks like Nvidia does indeed expect RISC-V to be in the datacenter.
Nvidia's profile on RISC-V seems to be quite high as the keynote at the RISC-V Summit China was delivered by Frans Sijsterman, who appears to be Vice President of Hardware Engineering at Nvidia. The presentation outlined how CUDA components will now run on RISC-V. A diagram shown at the session illustrated a typical configuration: the GPU handles parallel workloads, while a RISC-V CPU executes CUDA system drivers, application logic, and the operating system. This setup enables the CPU to orchestrate GPU computations fully within the CUDA environment. Given Nvidia's current focus, the workloads must be AI-related, yet the company did not confirm this. However, there is more.
Also featured in the diagram was a DPU handling networking tasks, rounding out a system consisting of GPU compute, CPU orchestration, and data movement. This configuration clearly suggests Nvidia's vision to build heterogeneous compute platforms where RISC-V CPU can be central to managing workloads while Nvidia's GPUs, DPUs, and networking chips handle the rest. Yet again, there is more. Even with this low-profile announcement, Nvidia essentially bridges proprietary CUDA stack to an open architecture, one that seems to develop fast in China. Yet, being unable to ship flagship GB200 and GB300 offerings to China, the company has to find ways to keep its CUDA thriving.
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Brave Browser Blocks Microsoft Recall By Default
The Brave Browser now blocks Microsoft Recall by default for Windows 11+ users, preventing the controversial screenshot-logging feature from capturing any Brave tabs -- regardless of whether users are in private mode. Brave cites persistent privacy concerns and potential abuse scenarios as justification. From a blog post: Microsoft has, to their credit, made several security and privacy-positive changes to Recall in response to concerns. Still, the feature is in preview, and Microsoft plans to roll it out more widely soon. What exactly the feature will look like when it's fully released to all Windows 11 users is still up in the air, but the initial tone-deaf announcement does not inspire confidence.
Given Brave's focus on privacy-maximizing defaults and what is at stake here (your entire browsing history), we have proactively disabled Recall for all Brave tabs. We think it's vital that your browsing activity on Brave does not accidentally end up in a persistent database, which is especially ripe for abuse in highly-privacy-sensitive cases such as intimate partner violence.
Microsoft has said that private browsing windows on browsers will not be saved as snapshots. We've extended that logic to apply to all Brave browser windows. We tell the operating system that every Brave tab is 'private', so Recall never captures it. This is yet another example of how Brave engineers are able to quickly tweak Chromium's privacy functionality to make Brave safer for our users (inexhaustive list here). For more technical details, see the pull request implementing this feature. Brave is the only major Web browser that disables Microsoft Recall by default in all tabs.
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Science Confirms What We All Suspected: Four-Day Weeks Rule
A six-month international study found that a four-day workweek with no reduction in pay significantly improved employee well-being, job satisfaction, and sleep quality, with burnout dropping most among those who reduced their hours by eight or more. "The results indicate that income-preserving four-day workweeks are an effective organizational intervention for enhancing workers' well-being," the researchers said. The Register reports: The study, reported in Nature Human Behaviour, was designed to test the effects of the four-day workweek with no reduction in pay. It relied on a six-month trial involving 2,896 employees in 141 organizations in Australia, Canada, New Zealand, the UK, Ireland, and the US. The researchers compared work and health-related indicators -- including burnout, job satisfaction, and mental and physical health -- before and after the intervention using survey data. A further 285 employees at 12 companies did not participate in the trial and acted as a control.
The researchers noted that the study was limited in that companies volunteered to participate, and the sample consisted of smaller companies from English-speaking countries. More extensive government-sponsored trials might help provide a clearer picture, they said. While several factors may explain the effect, one possibility is "increased intrinsic motivation at work," the study said. "Unfortunately, [we] cannot assess [this] due to data limitations." "Despite its limitations, this study has important implications for understanding the future of work, with 4-day workweeks probably being a key component. Scientific advances from this work will inform the development of interventions promoting better organization of paid work and worker well-being. This task has become increasingly important with the rapid expansion of new digital, automation, and artificial general intelligence technologies."
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Apple Set To Stave Off Daily Fines, EU To Accept App Store Changes
Apple is expected to avoid hefty daily fines from the EU by modifying its App Store policies -- allowing developers to direct users to external payment options and adjusting its fee structure. Reuters reports: The company last month said developers will pay a 20% processing fee for purchases made via the App Store, though the fees could go as low as 13% for Apple's small-business program. Developers who send customers outside the App Store for payment will pay a fee between 5% and 15%. They will also be able to use as many links as they wish to send users to outside forms of payment.
Apple made the changes after the EU antitrust enforcer handed it a 500 million euro ($586.7 million) fine in April, saying its technical and commercial restrictions prevented app developers from steering users to cheaper deals outside the App Store in breach of the Digital Markets Act. The company was given 60 days to scrap the restraints to comply with the DMA aimed at reining in Big Tech and giving rivals more room to compete. The European Commission is expected to approve the changes in the coming weeks, although the timing could still change, the people said. "All options remain on the table. We are still assessing Apple's proposed changes," the EU watchdog said.
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California Won't Force ISPs To Offer $15 Broadband
An anonymous reader quotes a report from Ars Technica: A California lawmaker halted an effort to pass a law that would force Internet service providers to offer $15 monthly plans to people with low incomes. Assemblymember Tasha Boerner proposed the state law a few months ago, modeling the bill on a law enforced by New York. It seemed that other states were free to impose cheap-broadband mandates because the Supreme Court rejected broadband industry challenges to the New York law twice.
Boerner, a Democrat who is chair of the Communications and Conveyance Committee, faced pressure from Internet service providers to change or drop the bill. She made some changes, for example lowering the $15 plan's required download speeds from 100Mbps to 50Mbps and the required upload speeds from 20Mbps to 10Mbps. But the bill was still working its way through the legislature when, according to Boerner, Trump administration officials told her office that California could lose access to $1.86 billion in Broadband Equity, Access, and Deployment (BEAD) funds if it forces ISPs to offer low-cost service to people with low incomes.
That amount is California's share of a $42.45 billion fund created by Congress to expand access to broadband service. The Trump administration has overhauled program rules, delaying the grants. One change is that states can't tell ISPs what to charge for a low-cost plan. The US law that created BEAD requires Internet providers receiving federal funds to offer at least one "low-cost broadband service option for eligible subscribers." But in new guidance from the National Telecommunications and Information Administration (NTIA), the agency said it prohibits states "from explicitly or implicitly setting the LCSO [low-cost service option] rate a subgrantee must offer." "All they would have to do to get exempted from AB 353 [the $15 broadband bill] would be to apply to the BEAD program," said Boerner. "Doesn't matter if their application was valid, appropriate, granted, or they got public money at the end of the day and built the projects -- the mere application for the BEAD program would exempt them from 353, if it didn't jeopardize from $1.86 billion to begin with. And that was a tradeoff I was unwilling to make."
Another California bill in the Senate would encourage, not require, ISPs to offer cheap broadband by making them eligible for Lifeline subsidies if they sell 100/20Mbps service for $30 or less.
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Surge CEO Says '100x Engineers' Are Here
Surge CEO Edwin Chen says AI is creating "100x engineers" who can outperform traditional software developers by orders of magnitude. Chen argued that AI coding tools multiply the productivity gains already seen in Silicon Valley's "10x engineers," who can produce ten times the work of their colleagues through faster coding, harder work, and fewer distractions.
Chen said AI efficiencies compound these factors to reach 100x productivity levels. The CEO, whose company reached $1 billion in revenue without venture capital funding, believes this could enable billion-dollar single-person companies, extending beyond the $10 million single-person startups that already exist.
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Microsoft Poaches Top Google DeepMind Staff in AI Talent War
Microsoft has recruited more than 20 AI employees from Google's DeepMind research division, the newest front in a talent war being waged by Silicon Valley's tech giants as they jostle to gain an edge in the nascent technology. From a report: Amar Subramanya, the former head of engineering for Google's Gemini chatbot, is the latest to move to Microsoft from its rival, according to a post on his LinkedIn profile on Tuesday. "The culture here is refreshingly low ego yet bursting with ambition," he wrote, confirming his appointment as corporate vice-president of AI.
Subramanya will join other DeepMind staff including engineering lead Sonal Gupta, software engineer Adam Sadovsky and product manager Tim Frank, according to people familiar with Microsoft's recruiting. The Seattle-based company has persuaded at least 24 staff to join in the past six months, they added.
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Google Users Are Less Likely To Click on Links When an AI Summary Appears in the Results, Pew Research Finds
Google users click on fewer website links when the search engine displays AI-generated summaries at the top of results pages, according to new research from the Pew Research Center. The study analyzed browsing data from 900 U.S. adults and found users clicked on traditional search result links during 8% of visits when an AI summary appeared, compared to 15% of visits without summaries.
Users also rarely clicked on sources cited within the AI summaries themselves, doing so in just 1% of visits. The research found that 58% of respondents conducted at least one Google search in March 2025 that produced an AI summary, and users were more likely to end their browsing session entirely after encountering pages with AI summaries compared to traditional search results.
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Many Lung Cancers Are Now in Nonsmokers. Scientists Want to Know Why.
Roughly 10 to 25% of lung cancers worldwide now occur in people who have never smoked, according to researchers at the National Cancer Institute. Among certain groups of Asian and Asian American women, that share reaches 50% or more. Scientists studying 871 nonsmokers with lung cancer from around the world found that certain DNA mutations were significantly more common in people living in areas with high air pollution levels, including Hong Kong, Taiwan and Uzbekistan.
The research, published in Nature this month, revealed that pollution both directly damages DNA and causes cells to divide more rapidly. The biology of cancer in nonsmokers differs from smoking-related cases and may require different prevention and detection strategies. Nonsmokers with lung cancer are more likely to have specific "driver" mutations that can cause cancer, while smokers tend to accumulate many mutations over time.
Current U.S. screening guidelines recommend routine testing only for people ages 50 to 80 who smoked at least one pack daily for 20 years. Taiwan now offers screening for nonsmokers with family history after a nationwide trial detected cancer in 2.6% of participants.
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