U.S. stocks opened, with the Dow up 0.2%, the S&P 500 index up 0.38%, and the Nasdaq up 0.5%. Microsoft rose 1%, and Oppenheimer analysts upgraded the rating to Buy. Apple (AAPL.O) fell 0.2%, with White House trade advisor Navarro stating that Apple believes it is 'too big to be taxed.' Nvidia (NVDA.O) rose over 1%, hitting an all-time high share price.