John Bowers, right, works with fellow traders on the floor of the New York Stock Exchange Thursday, Oct. 18, 2012. The U.S. stock market headed slightly lower on Thursday, following a

 

              John Bowers, right, works with fellow traders on the floor of the New York Stock Exchange Thursday, Oct. 18, 2012.  The U.S. stock market headed slightly lower on Thursday, following a
John Bowers, right, works with fellow traders on the floor of the New York Stock Exchange Thursday, Oct. 18, 2012. The U.S. stock market headed slightly lower on Thursday, following a leap in claims for unemployment benefits and weak results from American Express. (AP Photo/Richard Drew)