U.S. stocks were mostly lower Wednesday. The Dow Jones industrial average rose 36.78, or 0.1 percent, to 28,032.38. The broader Standard & Poor's 500 index fell 15.71, or 0.5 percent, to 3,385.49. The technology-heavy Nasdaq composite index fell 139.85, or 1.25 percent, to 11, 050.47.