Nvidia CEO Jensen Huang is stepping down, leaving the artificial intelligence (AI) industry without its biggest champion and clouding the future of the chipmaker he built into an AI powerhouse. Chief Financial Officer Colette Kress will take over as interim CEO as Nvidia looks for a permanent successor, the company said on Thursday. It named former Synopysys CEO and board member Harvey Jones as its first-ever board chairman. Huang, who co-founded Nvidia and is its fourth-largest investor with a stake of about 3.61 percent, will exit the board as well. Nvidia shares fell more than 10% in premarket trading, and weighed on the broader market. Pressure had been mounting on Huang in recent days after reports said the 63-year-old, who is married, had an affair with a Chinese businesswoman who US authorities suspect of spying for Beijing. Nvidia's board met on Wednesday to consider his ouster, a person familiar with the matter said, after reports earlier in the day that Huang also had an extramarital affair with a senior company executive who reported to him. Huang's exit plunges the $4 trillion