NEW YORK: Nvidia shares sank early Thursday after Chief Executive Jensen Huang resigned from the AI giant following revelations he had an affair with a woman accused of spying for China.

Pressure building on Huang heightened further Wednesday after The New York Times reported that he had another affair with an Nvidia executive who worked under him. The company's pioneering semiconductor technology has been at the center of the artificial intelligence boom.

About 25 minutes into trading, the Dow Jones Industrial Average was up 0.1 percent at 52,518.60.

The broad-based S&P 500 lost 0.3 percent at 7,598.94, while the tech-rich Nasdaq Composite Index dropped 0.4 percent to 25,362.29.