Supermicro's highly volatile stock is getting a boost from Nvidia today.Super Micro Computer (SMCI 16.12%) stock is posting big gains in Thursday's trading. The company's share price was up 15.4% as of 1:15 p.m. ET.Supermicro stock is gaining ground on the heels of Nvidia's recently published third-quarter results. Supermicro is one of Nvidia's largest customers, and the artificial intelligence (AI) leader's Q3 results, commentary, and forward guidance are sending bullish signals for other AI stocks.Nvidia' ...