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.

Wall Street faded on Tuesday following drops for Nvidia and other stars that have been riding the mania surrounding artificial-intelligence technology.

The heaviest weight on the market was Nvidia, whose chips are powering much of the move into AI. It sank 3.5%.