The sharp pullback in Nvidia shares Monday cost investors $592.7 billion in paper losses as investors fled the stock amid rapid advancements at [China's DeepSeek](

Nvidia is once again the most valuable U.S. company, outranking Apple for the first time since late November. A rise in the chip maker's stock meant it ended Tuesday with a market capitalization of $3.

Monday's tech rout has brought no shortage of big numbers on Wall Street, and here's another to keep in mind: $441.9 billion. That's the amount of market capitalization that Nvidia has shed, based on intraday activity.

Rebounding tech stocks drove U.S. indexes higher Tuesday, a day after they tumbled on doubts about whether the artificial-intelligence frenzy really needs all the dollars being poured into it. The Dow Jones Industrial Average added 136 points,

Chinese startup DeepSeek has debuted an AI app that challenges OpenAI's ChatGPT and other U.S. rivals, sending a shock through Wall Street.

The Dow Jones Industrial Average and other major index futures traded higher, as a critical inflation report produced no surprises for investors Friday. Meanwhile, Apple, Atlassian and Deckers Outdoor were big earnings movers on the stock market today,

NASDAQ is under huge pressure due to strong sell-off in tech stocks. Interestingly, NVIDIA is not the worst performer in the NASDAQ index today. Marvell Technology and Broadcom were down by 18% in today’s trading session amid worries about the impact of DeepSeek.

Wall Street’s superstars tumbled Monday as a competitor from China threatens to upend the artificial-intelligence frenzy they’ve been feasting on.

Wall Street’s superstars tumbled Monday as a competitor from China threatens to upend the artificial-intelligence frenzy they’ve been feasting on.

The S&P 500 fell 1.7% Monday. Big Tech stocks took some of the heaviest losses, with Nvidia down 16%, and they dragged the Nasdaq composite down 3.2%.

Rebounding tech stocks drove U.S. indexes higher a day after they tumbled on doubts about the artificial intelligence frenzy.