The S&P 500 and Nasdaq Composite opened higher on Friday, while the Dow Jones Industrial Average was nearly flat as investors weighed lower oil prices against higher Treasury yields. The Dow rose 48.7 points, or 0.09%, to 51,826.78. The S&P 500 gained 19.4 points, or 0.25%, to 7,657.17, and the Nasdaq advanced 103.8 points, or 0.39%, to 26,522.09.