Nvidia sales likely doubled, but it may not impress investors

Nvidia is likely to report on Wednesday that its second-quarter revenue more than doubled. But investors used to its blockbuster results will be expecting even more from the artificial intelligence chip giant. A beat or a miss on Wall Street expectations could either stoke or shatter an AI rally on Thursday, a day after Nvidia reports earnings for the May-July period.The company's stock has surged more than 150% this year, adding $1.82 trillion to its market value and lifting the S&P 500 to new highs. On Mo ...