Nvidia (NVDA) opened at $173.04 on Monday, Nov. 9, down from Friday’s $186.64 close, fell as low as $170.24, then traded at $178.36 at 10:07 a.m. ET (7:07 a.m. PT), down $8.28 or 4.44%, according to Yahoo Finance. TradingKey put the opening drop at 5.67% and said AMD opened up 7.09%, as Nvidia faces a board probe tied to CEO Jensen Huang ahead of Nov. 17 earnings.