Traders work on the floor at the New York Stock Exchange in New York, Friday, Dec. 28, 2012. Stocks were heading lower Friday, for a fifth day, on concern that Washington lawmakers will

 

              Traders work on the floor at the New York Stock Exchange in New York, Friday, Dec. 28, 2012. Stocks were heading lower Friday, for a fifth day, on concern that Washington lawmakers will
Traders work on the floor at the New York Stock Exchange in New York, Friday, Dec. 28, 2012. Stocks were heading lower Friday, for a fifth day, on concern that Washington lawmakers will fail to reach a budget deal before a year-end deadline. (AP Photo/Seth Wenig)