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

The S&P 500 fell 1.5% in afternoon trading and pulled further from its all-time high set late last month. The Dow Jones Industrial Average lost 565 points, or 1.2%, from its own record set the day before, while the Nasdaq composite was down 2.4%, as of 1:29 p.m. Eastern time.

Nvidia was the heaviest weight on the market after the chip company lost 4.7%. Other AI darlings also struggled, including drops of 7.3% for Super Micro Computer, 6.5% for Palantir Technologies and 5.5% for Broadcom.

Questions have been rising about how much more superstar AI stocks can add to their already spectacular gains. At the start of thi

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