Nvidia shares were initially up after an earnings report that included raised revenue guidance for the next quarter. But shares closed 3% lower.

The rise of artificial intelligence was a “once-in-a-lifetime opportunity,” she said, and the company had to put AI at the center of its entire product line. Three years later, the Santa Clara, Calif.

Prosecutors have accused Brian Raymond, founder of AI infrastructure and consulting company Bitworks, and three others of selling coveted Nvidia chips to unspecified Chinese companies.

Nvidia CEO Jensen Huang is urging the U.S. and China to improve trade relations, arguing that access to the Chinese market is essential for American competitiveness in artificial intelligence (AI).

The chip giant on Wednesday produced results and forecasts that beat expectations, allaying immediate fears. But there are longer-term worries that Nvidia's growth could be crimped by factors beyond the control of even the most valuable listed company in human history, now worth more than $4.5 trillion.

Anthropic will buy $30 billion of Microsoft Azure compute "powered by Nvidia." In return, it's getting billions in investments from each company.

Companies in the AI space are paying more attention to "physical AI," or artificial intelligence that operates in the real world.

Nvidia’s third-quarter earnings beat initially alleviated AI-bubble fears, but tech stocks slipped as markets digested economic data.