NEW YORK — The U.S. stock market is slipping on Thursday as Nvidia and other superstars swept up in the mania around artificial-intelligence technology keep swinging.

The S&P 500 fell 0.6% in morning trading, pulling a bit further from its all-time high set late last month. The Dow Jones Industrial Average dipped 106 points, or 0.2%, from its own record set the day before, while the Nasdaq composite was down 1.1%, as of 10 a.m. Eastern time.

Nvidia was the heaviest weight on the market after the chip company lost 2.7%. Other AI darlings also struggled, including drops of 3.4% for Palantir Technologies and 4.2% for Super Micro Computer.

Questions have been rising worldwide about whether such superstar stocks can add more to their already spectacular gains. Palantir earlier this month had

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