NEW YORK — The U.S. stock market fell following another jarring day on Tuesday, as worries keep dogging Nvidia, bitcoin and other Wall Street stars that their prices shot too high.
After quickly sliding to a morning loss of 1.5%, the S&P 500 clawed back nearly all of it before sinking again. It finished with a fall of 0.8% and pulled further from its all-time high set late last month. The Dow Jones Industrial Average lost 498 points, or 1.1%, and the Nasdaq composite sank 1.2%.
Nvidia was again the heaviest weight on the market, and its drop of 2.8% brought its loss for the month so far to more than 10%. That's a steep enough fall that Wall Street has a name for it: a correction.
What Nvidia does matters disproportionately to savers' 401(k) accounts because its immense size means it's the most influential stock on Wall Street. It single-handedly steers the direction of the S&P 500 some days, after fervent demand for its artificial-intelligence chips helped it briefly top $5 trillion in total value.
The U.S. stock market's recent struggles are a sharp turnaround from its nearly relentless rally since April, when Wall Street last sold off after President Donald Trump shocked the world with stiff tariffs.
That rally was so strong that critics say it may have carried prices too high, too fast and left the market at risk of a sharp drop. They point in particular to stocks swept up in the AI mania, which have been surging at spectacular speeds for years.
Nvidia's price more than doubled in four of the last five years, for example, while Palantir Technologies' stock more than doubled in the first six and a half months of this year.
Many big investors still seem to expect stock prices to rise further, according to the latest monthly survey of global fund managers by Bank of America Global Research. But when asked what the No. 1 risk for the market is, one with a lower probability of happening but a chance of very big damage, 45% pointed to an AI bubble. That beat out potential trouble in the bond market, inflation and trade wars.