Traders work on the floor at the New York Stock Exchange in New York, Monday, Dec. 31, 2012. World stocks cooled off Monday Jan. 7, 2013 as some investors sold shares to lock in profits

 

              Traders work on the floor at the New York Stock Exchange in New York, Monday, Dec. 31, 2012. World stocks cooled off Monday Jan. 7, 2013 as some investors sold shares to lock in profits
Traders work on the floor at the New York Stock Exchange in New York, Monday, Dec. 31, 2012. World stocks cooled off Monday Jan. 7, 2013 as some investors sold shares to lock in profits following recent rallies. (AP Photo/Seth Wenig)