On a Monday in mid-January, Jensen Huang held a party for a crowd of health-care and tech executives in San Francisco. As about 400 guests filled up the Fairmont hotel’s opulent Gold room, the Nvidia Corp. chief executive officer, wearing his default black leather jacket, worked through a routine of tech-themed dad jokes. “What do you call a robot that’s better at finding your pills than you are?” he asked. “Computer-aided drug discovery!” The night progressed, and Huang downed at least two glas...