US STOCKS-Wall St tumbles on slowdown anxiety

(Updates to open)

NEW YORK Nov 12 (Reuters) - U.S. stocks tumbled on Wednesday as electronics chain Best Buy's (BBY.N) lowered outlook heightened fears about a worsening economic slump, offsetting hopes for an auto industry bailout by Washington.

The Dow Jones industrial average .DJI fell 169.49 points, or 1.95 percent, to 8,524.47. The Standard & Poor's 500 Index .SPX lost 16.84 points, or 1.87 percent, to 882.11. The Nasdaq Composite Index .IXIC gave up 22.83 points, or 1.44 percent, at 1,558.07. (Reporting by Leah Schnurr; Editing by Kenneth Barry)