Regular MarketWatch readers might already be aware that U.S. stocks are historically expensive right now, based on several ...

Tesla stock rises on optimism over the electric-vehicle maker’s growth projections, Microsoft’s Azure growth misses estimates ...

IBM shares are jumping nearly 8% in premarket trading Thursday, a day after the company posted results that topped analysts' estimates as its artificial intelligence-enabled business surged.

A development in the field of artificial intelligence that staggered asset prices could help set the stage for broader stock ...

Investors freaked out as China-based DeepSeek's AI chatbot became a threat to Nvidia, but some strategists say this will be a ...

After plunging 17% on Monday, Nvidia climbed almost 9% as investors rushed in to buy this historic dip in shares of the top ...

The biggest market loss in history happened, with Nvidia stock dropping 17%—and the entire internet thought this was ...

Nvidia’s sharp turn of fortunes illustrates much deeper problems that investors are ignoring as they send the valuations of Big Tech to the heavens.

As pointed out by venture capitalist and Trump tech adviser Marc Andreessen on x (formerly Twitter), DeepSeek’s breakthrough could be “AI’s Sputnik moment.” If that sounds familiar, it’s because it’s ...

Monday’s DeepSeek-driven selloff could be an opportunity to pick up beaten-down AI stocks, according to some Wall Street analysts.

Nvidia's market value dropped more than $500bn after the emergence of DeepSeek - a low-cost chatbot built by a Chinese AI ...