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Jensen Huang, the Nvidia chief executive, and the leaders of Samsung and Hyundai staged a regular-folks outing in Seoul before announcing a business deal.

Europe’s largest automaker said a shortage of semiconductors could further hurt productivity.

The Silicon Valley company projected more spending this year and said it would continue in 2026 as it hires A.I. researchers and builds data centers to power the technology.

Profits also rose, to just under $35 billion, as Google Search proved resilient to A.I. alternatives.

The A.I. chip maker has become a linchpin in the Trump administration’s trade negotiations in Asia.

The layoffs at factories in Michigan, Ohio and Tennessee follow the elimination of a $7,500 federal tax credit for electric cars.

A.J. Jacobs went 48 hours without interacting with artificial intelligence. The experiment revealed just how embedded artificial intelligence already is in our daily lives.

The start-up, which creates A.I. companions, faces lawsuits from families who have accused Character.AI’s chatbots of leading teenagers to kill themselves.

The federal government announced that it would back an effort to build several Westinghouse nuclear reactors, but offered few details.

The artificial intelligence company said the nonprofit that controlled the organization would receive a $130 billion stake in the new company.

Substrate, a San Francisco company, is trying to take on powerhouses like the Dutch company ASML.

The billionaire launched his A.I.-powered version, Grokipedia, on Monday.

The company is looking to slash costs by “reducing bureaucracy, removing layers, and shifting resources” as it continues to spend aggressively on artificial intelligence.

Qualcomm, which is known for its chips in smartphones, also announced a deal with Humain, a Saudi-backed A.I. company. The news sent Qualcomm’s share price soaring.

The kingdom is pouring money into data centers and working with U.S. and Chinese tech giants, landing its A.I. ambitions in the middle of a geopolitical tussle for tech power.