U.S. stock indexes ended mixed on Wednesday after Nvidia, Palantir and other superstar stocks pared most of their steep losses from the morning. The S&P 500 dipped 0.2% after trimming a loss that reached 1.

NEW YORK — Wall Street faded on Tuesday following drops for Nvidia and other stars that have been riding the mania surrounding artificial-intelligence technology. The S&P 500 fell 0.6% for a third straight loss The heaviest weight on the market was Nvidia,

Wall Street is edging lower on Tuesday following drops for Palantir and other stars that had been riding the mania surrounding artificial-intelligence technology. The S&P 500 slipped 0.4% and is on track for a third straight modest loss after setting its all-time high last week.