CNBC reported Nvidia shares were down nearly 5% in U.S. premarket trading Monday, Nov. 9, 2026, after the board probe into CEO Jensen Huang’s relationship with an alleged Chinese spy. CNBC later noted the stock was last trading down about 4.8% premarket. The Guardian said Nvidia shares dropped 4.5% in Frankfurt and were expected to open weaker on Wall Street as investors assessed leadership risk.