DeepSeek's rise could challenge the sustainability of Big Tech earnings growth, a key pillar of the bull market rally.

U.S. stocks ended mostly lower on Monday, triggered by a tech bloodbath, amid fears of an artificial intelligence bubble bursting following the debut of a low-cost Chinese AI model, DeepSeek. However, ...

U.S. stocks recovered some ground Tuesday morning after getting hammered by fears over China's DeepSeek AI model built on a ...

Nvidia staged a moderate rebound on Tuesday, rising as much as 3%, following a 17% drop the prior day. More broadly, major US ...

Major U.S. tech stocks, including Nvidia, Oracle and Broadcom, plummeted Monday after Chinese artificial intelligence startup DeepSeek unveiled a system that it says can ...