Buzz about partnerships with Nvidia lifted a range of stocks in Europe, Asia and North America, following a keynote address at a U.S. tech show by the chip maker's chief executive. Speaking late Monday,

Shares of NVIDIA Corp. NVDA slid 6.22% to $140.14 Tuesday, on what proved to be an all-around rough trading session for the stock market, with the S&P 500 Index SPX falling 1.11% to 5,909.03 and Dow Jones Industrial Average DJIA falling 0.

U.S. stock indexes are rising Monday to recover more of the holiday-season slide that bridged the new year. The S&P 500 was 0.8% higher in afternoon trading and on track for a second straight jump following five straight losses,