Key TakeawaysNvidia stock was on track Friday to close out one of its best weeks all year as it rebounded from a two-week slump that erased more than 20% of the advanced chipmaker's market value.Nvidia stock hit turbulence in recent weeks as Wall Street's AI enthusiasm waned and its quarterly earnings report fell short of lofty expectations.Demand for AI and the Nvidia chips that enable it is expected to remain strong ,according to analysts, the vast majority of whom are still bullish on the stock despite i ...