In a photo made April 16, 2012, trader Robert Arciero works on the floor of the New York Stock Exchange. Wall Street appeared headed for a higher opening Tuesday May 1, 2012 with Dow Jones industrial ... more 
In a photo made April 16, 2012, trader Robert Arciero works on the floor of the New York Stock Exchange. Wall Street appeared headed for a higher opening Tuesday May 1, 2012 with Dow Jones industrial futures 0.1 percent higher and S&P 500 futures 0.1 percent. (AP Photo/Richard Drew) less 
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Associated Press | Photo By Richard Drew
Tue, May 1, 2012 8:39 AM EDT