FILE - In this Oct. 3, 2012, file photo, a trader works on the floor of the New York Stock Exchange. Stock futures are heading lower with economists growing increasingly pessimistic abo

 

              FILE - In this Oct. 3, 2012, file photo, a trader works on the floor of the New York Stock Exchange. Stock futures are heading lower with economists growing increasingly pessimistic abo
FILE - In this Oct. 3, 2012, file photo, a trader works on the floor of the New York Stock Exchange. Stock futures are heading lower with economists growing increasingly pessimistic about Asia as well as expectations for a leaden performance from major U.S. corporations as the earnings season kicks off this week. (AP Photo/Richard Drew)