U.S. stocks finished little changed Friday. The Dow Jones industrial average rose 34.30, or 0.1 percent, to 27,931.02. S&P 500, the broader index, was virtually unchanged, falling 0.58 to 3,372.85. On the other hand, the technology-heavy Nasdaq composite index fell 23.20, or 0.2 percent, to 11,019.30.