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. The Dow Jones Industrial Average was up 8 points, or less than 0.1%, as of 11:50 a.m. Eastern time, and the Nasdaq composite was down 1%.

The day’s action again centered around stocks caught up in the mania around artificial-intelligence technology.

Asian shares are mostly higher after a mixed finish on Wall Street, where shares in Nvidia, Palantir and other superstar stocks pared their earlier steep losses