NVIDIA CEO Jensen Huang gestures during the NVIDIA GTC global AI conference in San Jose, California, U.S. March 17, 2026. Carlos Barria | ReutersNvidia shares closed at a record on Friday for the first time since October, pushing the company's market cap past $5 trillion, as investors piled into the AI chip trade ahead of earnings next week from tech's hyperscalers. The stock rose 4.3% to close at $208.27. Nvidia is up more than 14-fold since the end of 2022, driven by soaring demand for artific...