U.S. stocks again fell sharply Wednesday,The Dow Jones industrial average fell 494.42, or 1.9 percent, to 26,078.62 The broader Standard & Poor's 500 index fell 52.64, or 1.8 percent, to 2,887.61 The technology-heavy Nasdaq composite index fell 123.44, or 1.6 percent, to 7,785.25