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Nvidia has authorized an additional $150 billion for its stock buyback program, which the New York Times describes as the largest ever. The move underscores the chipmaker's enormous cash generation from the artificial intelligence boom and its decision to return capital to shareholders. Market watchers are weighing what the unprecedented repurchase signals about Nvidia's confidence in future earnings and its valuation.

Classified budget estimates indicate the National Security Agency is paying billions of dollars to test artificial intelligence models, according to a new report. The figures suggest US intelligence agencies are investing heavily in evaluating AI capabilities, raising questions about the scale of government involvement in commercial AI development and the oversight surrounding these secret programs.

Brisbane Lions premiership player Sam Marshall has formally requested a trade away from the club, according to AFL.com.au. The midfielder is described as in-demand, suggesting multiple clubs are interested in securing him during the trade period. The news is drawing attention from AFL fans as clubs negotiate deals ahead of the deadline.

Washington State's tax on high earners, introduced to fund public services, is now facing an organized campaign by wealthy residents seeking its repeal. Critics of the tax argue it drives millionaires out of the state and discourages investment, while supporters say it fairly funds education and social programs. The debate has reignited broader arguments over wealth taxes and whether the rich can effectively veto tax policy by relocating.

Samsung has committed $1.0 billion to an AI infrastructure company backed by KKR and Nvidia, according to the Wall Street Journal. The investment signals Samsung's push to deepen its role in the AI buildout, aligning itself with major players financing data centers and computing capacity. The move adds to a wave of large corporate investments flowing into AI infrastructure as demand for computing power surges.

Brisbane Lions coach Chris Fagan has made a major decision just days after the club claimed its third consecutive AFL premiership. Nine.com.au reports the veteran coach's 'huge call' came in the aftermath of the historic flag, prompting widespread discussion among Australian football fans about the club's direction and Fagan's future at the helm.

Fusion startup Helion Energy is facing scrutiny after shifting expectations around its Orion project, which had been slated to supply commercial electricity to Microsoft. The company, backed by OpenAI's Sam Altman, has been among the most aggressive in promising near-term fusion power, so any movement in its timeline draws attention. Observers are debating whether the change reflects realistic engineering challenges or a sign that commercial fusion remains further off than claimed.

Researchers have found that ordinary cleaning sponges shed trillions of microplastic fibers during use, sending the tiny particles into wastewater and the environment. The finding adds everyday household cleaning to the growing list of routine activities contributing to microplastic pollution, prompting discussion about safer alternatives and how much plastic people unknowingly release in their homes.

Trade speculation is building around Pittsburgh Steelers cornerback Joey Porter Jr., with the Detroit Lions among the teams discussed as a possible fit. The Lions' trading for the young defensive back is being weighed for its pros and cons, as Detroit looks to bolster its secondary and Pittsburgh's willingness to deal remains in question.

Indian billionaires are investing heavily in cricket, according to Forbes. The report examines why some of the country's wealthiest people are putting large sums into the sport, which commands a massive audience in India and offers growing commercial opportunities through leagues, franchises and media rights. The trend highlights cricket's increasing value as a business asset for India's super-rich.

A custom 1997 Ferrari 550 Maranello once owned by Michael Jordan has sold for $2.7 million, according to a report by The Athletic. The sale highlights continued strong demand for cars with provenance tied to the basketball legend, whose memorabilia and vehicles consistently draw premium prices at auction.

A $300 billion Abu Dhabi sovereign wealth fund, led by Crown Prince Sheikh Khaled bin Mohamed Al Nahyan, has become central to efforts to build infrastructure that would bypass Iran's grip on the Strait of Hormuz, according to a Japan Times report. The fund is reportedly financing projects aimed at reducing dependence on the strategic waterway, through which much of the world's oil passes and which Tehran has repeatedly threatened to close.

President Trump has reportedly informed congressional leaders that he is canceling billions of dollars in previously approved federal funding. The move would affect money already allocated by Congress, raising questions over executive authority and the fate of programs that depend on those funds. Lawmakers and commentators are weighing the political and legal fallout, with late-night hosts and political analysts among those reacting to the report.

Former New York governor Andrew Cuomo has purchased a $9.6 million mansion in Southampton, Long Island, reportedly paying cash. The purchase is drawing attention given Cuomo's political profile and ongoing speculation about his future, with observers weighing the upscale Hamptons real estate buy against his public positions and comeback ambitions.

A Korean creator is documenting the full experience of buying an ultra-cheap two-seater electric vehicle for about 2.3 million won (roughly $1,700), covering everything from the purchase process to repair issues. The low price point for an electric car has drawn a large audience, with viewers following along to see whether such an affordable EV is actually practical to own and maintain.

Popular Mechanics reports that scientists have discovered millions of ancient 'batteries' hidden on the bottom of the ocean. The headline is currently the only detail available: no study, location, or explanation of what the objects actually are has been published alongside it, so the nature and significance of the find remain to be confirmed.

ScorePro has announced a 'Meme Olympics' competition carrying a multi-million rial prize, an unusual pairing of internet humor culture with a large cash award. The announcement is drawing amused attention online, with readers reacting to both the satirical tone of the event and the size of the prize on offer.

Henderson, Nevada is moving forward with 'The Cliff', a $100 million retail development designed to repurpose unused office space in the city. The project would convert vacant commercial buildings into a shopping and dining destination, reflecting a broader trend of cities rethinking empty office properties. The plan is drawing attention as an example of adaptive reuse in the Las Vegas area.

A full-length wildlife documentary about life on the African savannah is drawing large audiences, focusing on the daily struggle of animals living alongside lions and the price of survival in one of the world's toughest ecosystems. Viewers are engaging heavily with the episode's footage of predator and prey dynamics.

The US Treasury has launched a dedicated support center for student loan borrowers, coinciding with new figures showing 9.3 million borrowers are now in default. The move comes as collections and enforcement activity resumes after a long pause, leaving millions facing wage garnishment and credit damage. The scale of defaults has prompted debate over affordability of repayments and what relief, if any, borrowers can expect.

An estimated $124 trillion is expected to change hands between generations through 2048, yet roughly two in five families have never discussed inheritance plans. Analysts say the lack of estate-planning conversations could leave heirs unprepared for the largest wealth transfer in history, with many households unsure how to handle wills, taxes, and bequests.

Amazon has surpassed one million robots across its operations worldwide. The machines move entire shelves of products, transport loads, and grab objects, with some models even able to sense their surroundings. The milestone highlights the scale of automation in the company's warehouses and has sparked discussion about the growing role of robotics in logistics and its impact on human workers.

Google has announced Gemini 4 Argon, a new AI model featuring a context window of up to one million tokens, allowing it to process far larger documents and conversations in a single request. The announcement is drawing attention from developers and AI watchers, who are debating how the expanded limit compares with rival models and what it means for long-document analysis and coding workloads.

The Detroit Pistons have reportedly removed a weight clause from their five-year, $200 million contract offer to young center Jalen Duren, according to CBS Sports, as talks over a rookie-scale extension continue. The clause had tied portions of his earnings to his weight, a detail that drew attention given Duren's age and ongoing development. The standoff leaves his future in Detroit unresolved heading into the season.