The U.S. stock market opened with the Dow Jones up 0.45%, the S&P 500 Index up 0.57%, and the Nasdaq up 0.76%. Storage concept stocks continued their upward trend, with Micron Technology (MU.O) up 6%, SanDisk (SNDK.O) up 3%, and Western Digital (WDC.O) up 3.5%. Paypal (PYPL.O) dropped 10% after earnings.