U.S. stocks fell at the start of Wednesday's trade as investors eyed a stream of high-profile corporate earnings and also a Federal Reserve policy update later in the afternoon. The Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA -0.39% fell 330 points, or 1.1%, to 30,607. The S&P 500 /zigman2/quotes/210599714/realtime SPX -1.31% was down 51 points, or 1.3%, to 3,798. The Nasdaq Composite /zigman2/quotes/210598365/realtime COMP -2.70% shed 202 points, or 1.5%, to 13,434. The Fed is expected to commit to its accommodative policy stance to support the U.S. recovery. In company news, Microsoft /zigman2/quotes/207732364/composite MSFT -2.70% shares were up slightly after its results topped analyst expectations.