S&P 500, Nasdaq up on earnings
The Standard & Poor's 500 Index gained 2.25 points, or 0.17 percent, to 1,328.98. The Nasdaq Composite Index gained 7.47 points, or 0.26 percent, to 2,833.99.
The Dow Jones industrial average dropped 7.72 points, or 0.06 percent, to 12,579.70 shortly after the open.
(Reporting by Edward Krudy, Editing by Chizu Nomiyama)