U.S. stock indexes ended mixed after Nvidia, Palantir and other superstar stocks pared most of their steep losses from the morning.

Nvidia, Palantir and other superstar AI stocks are under pressure again and dragging Wall Street lower. NEW YORK (AP) — Nvidia, Palantir and other superstar stocks that surged in the mania surrounding artificial-intelligence technology are dragging Wall Street lower again on Wednesday.

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,

Nvidia is developing a new AI chip for China based on its latest Blackwell architecture that will be more powerful than the H20 model it is currently allowed to sell there, two people briefed on the matter said.