Traders work on the floor at the New York Stock Exchange on Wednesday, Oct. 31, 2012, in New York. Traffic is snarled, subways out of commission, streets flooded and power out in many parts of the city, but the exchange opened without hitch Wednesday after a historic two-day shutdown, courtesy of Hurricane Sandy. (AP Photo/Seth Wenig)

Photo by: Seth Wenig

Traders work on the floor at the New York Stock Exchange on Wednesday, Oct. 31, 2012, in New York. Traffic is snarled, subways out of commission, streets flooded and power out in many parts of the city, but the exchange opened without hitch Wednesday after a historic two-day shutdown, courtesy of Hurricane Sandy. (AP Photo/Seth Wenig)