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

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%.

While their respective share price appreciation indicates everything is going great for Nvidia, Palantir, and AMD, all three companies have, collectively, offered up a nearly $13 billion warning to Wall Street. The real question is: Are you, or any other investors, heeding this warning?