Specialist Jason Hardzewic, left, and trader Ryan Falvey work on the floor of the New York Stock Exchange Friday, Dec. 21, 2012. Stocks opened sharply lower Friday on Wall Street after

 

              Specialist Jason Hardzewic, left, and trader Ryan Falvey work on the floor of the New York Stock Exchange Friday, Dec. 21, 2012. Stocks opened sharply lower Friday on Wall Street after
Specialist Jason Hardzewic, left, and trader Ryan Falvey work on the floor of the New York Stock Exchange Friday, Dec. 21, 2012. Stocks opened sharply lower Friday on Wall Street after House Republicans called off a vote on tax rates and left federal budget talks in disarray 10 days before sweeping tax increases and government spending cuts take effect. (AP Photo/Richard Drew)