U.S. stocks fell modestly Wednesday. The Dow Jones industrial average fell 152.68, or 0.4 percent, to 34,447.14, declining for a third consecutive session. The broader Standard & Poor's 500 index fell 7.72, or 0.2 percent, to 4,219.54. The technology-heavy Nasdaq composite index fell 13.16, or 0.1 percent, to 13,911.75.