A specialist works at his post on the floor of the New York Stock Exchange Friday, Oct. 30, 2009. Major stock indexes tumbled more than 2 percent in late afternoon trading, including the Dow Jones industrials, which gave back all of Thursday's 200-point gain. Banks as well as energy and materials companies posted the biggest losses. AP Photo logo AP Photo 4 weeks ago

A specialist works at his post on the floor of the New York Stock Exchange Friday, Oct. 30, 2009. Major stock indexes tumbled more than 2 percent in late afternoon trading, including the Dow Jones industrials, which gave back all of Thursday's 200-point gain. Banks as well as energy and materials companies posted the biggest losses.