U.S. stocks were mostly lower for a second consecutive day. The Dow Jones industrial average fell 282.31, or 1 percent, to 26,989.99. The broader Standard & Poor's 500 index fell 17.04, or 0.5 percent, to 3,190.14. The technology-heavy Nasdaq composite index rose 66.59, or 0.7 percent, to 10,020.35