Years ago, E.F. Hutton ran a commercial that proclaimed, "When E.F. Hutton speaks, people listen." We could perhaps replace E.F. Hutton with Jensen Huang in that statement today. When the Nvidia (NVDA +1.70%) CEO speaks, people listen. And Huang spoke at length at his company's 2026 GTC AI conference last week. Unsurprisingly, Huang's remarks gave Nvidia shareholders reasons for optimism about the future. However, he also delivered fantastic news for a beaten-down AI stock -- ServiceNow (NOW +0.52%).The mas ...