Asian shares mostly rose Tuesday, deriving optimism from rising technology stocks on Wall Street, led by Nvidia. Japan's benchmark Nikkei 225 jumped 2.4% in morning trading to 40,248.68. Australia's S&P/ASX 200 edged up 0.

Shares of NVIDIA Corp. NVDA rallied 3.43% to $149.43 Monday, on what proved to be an all-around mixed trading session for the stock market, with the S&P 500 Index SPX rising 0.55% to 5,975.38 and the Dow Jones Industrial Average DJIA falling 0.

Stocks are running in premarket trading on Monday. Here's a look at major indexes as of 8:50 a.m. ET: Nasdaq Futures: Up 205.25 (+.95%) S&P 500 Futures: Up 45.25 (+.76%) Dow Jones Futures: Up 184 (+.43%) The big story in premarket trading is that NVIDIA (Nasdaq: NVDA) and chip stocks are up big.