Key TakeawaysChips stocks rebounded from Tuesday’s slump after stronger-than-expected earnings from AI chipmakers and a report that moves to toughen U.S. export restrictions could be less stringent than previously expected.AMD said its data center revenue more than doubled to a record high as demand for AI chips surged. AMD customer Microsoft said it plans to invest heavily in AI infrastructure.Nvidia was among the top stocks leading gains on the S&P 500 Wednesday. Morgan Stanley analysts called the AI chip ...