Christopher Culhane, Patrick Murphy and William Bott, left to right, watch screens at a post on the floor of the New York Stock Exchange Wednesday, Aug. 10, 2011. Wall Street focused Wednesday on the ... more 
Christopher Culhane, Patrick Murphy and William Bott, left to right, watch screens at a post on the floor of the New York Stock Exchange Wednesday, Aug. 10, 2011. Wall Street focused Wednesday on the bleak landscape ahead for the economy and sold off, wiping out the big gains from a day earlier and then some. The Dow Jones industrial average closed down 519 points. (AP Photo/Richard Drew) less 
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Associated Press | Photo By Richard Drew
Wed, Aug 10, 2011 4:55 PM EDT