Specialist Robert Tuccillo (center) works with traders on the floor of the New York Stock Exchange on Monday, April 9, 2012. Stocks opened sharply higher on Wednesday, a day after their worst loss of the year. (AP Photo/Richard Drew)

Photo by: Richard Drew

Specialist Robert Tuccillo (center) works with traders on the floor of the New York Stock Exchange on Monday, April 9, 2012. Stocks opened sharply higher on Wednesday, a day after their worst loss of the year. (AP Photo/Richard Drew)