Small caps fared the worst Friday, hurt by rising bond yields, but selling was contained in blue chips and the Nasdaq and S&P 500 reversed slightly higher after early losses. Sandisk (SNDK) shot upward in the S&P 500 while fiber-optic leader Lumentum (LITE) outperformed Nasdaq 100 companies on the stock market today. The Dow Jones Industrial Average eased 0.2%, though…