News from China upset U.S. markets Monday and disrupted the frenzy that had built up around artificial intelligence.

Global investors dumped tech stocks amid the emergence of a low-cost Chinese AI model, leaving Nvidia with a record one-day ...

Wall Street has perceived the company to have an almost unbreachable defense against competition with its offerings of high-tech chips. The company’s rapid growth and windfall profit have helped push ...

Shares in Nvidia, whose semiconductors power the AI industry, fell nearly 17 percent on Wall Street, erasing nearly $600 ...