U.S. stocks ended mostly lower on Monday, as attention on Chinese startup DeepSeek raised the prospect of cheaper AI development, sparking a tech selloff. The Dow Jones Industrial Average ended Monday ...

After China's DeepSeek prompts AI rethink, Nvidia stock slides. Follow along for live updates on stocks and other markets, including the Dow Jones Industrial Average, S&P 500 and Nasdaq Composite.

Stocks were sharply lower Monday afternoon on concerns about the competitive threat that China poses in the race to develop artificial intelligence.

Treasury yields finished at the lowest levels of 2025 on Monday as traders weighed a diminishing risk of U.S. tariffs, weak data from China and questions about the valuations of dominant technology ...

Wall Street’s superstars are tumbling Monday as a competitor from China threatens to upend the artificial-intelligence frenzy ...

By Suzanne McGee (Reuters) -Prices of exchange-traded funds with outsize exposure to Nvidia plunged on Monday in reaction to ...

Venture capitalist Marc Andreessen called DeepSeek the America AI industry's "Sputnik moment," analogizing its release to the Soviet Union's successful 1957 launch of the first artificial Earth ...

NEW YORK — Wall Street’s superstars are tumbling Monday as a competitor from China threatens to upend the ...