STORY: Nvidia shares gained more the 3% on Thursday after the company reported upbeat sales results late on Wednesday, driven by customers stockpiling AI chips ahead of U.S. export restrictions on China.McMillan said Nvidia’s “margins are still holding at 71%,” despite ongoing trade restrictions on chips.He also said data center revenue was “still growing at a fantastic clip” and that Nvidia’s overall results were “good news for the broader AI sector.”