General Views At The Chicago Board Of Trade As U.S. Stocks Rise On Open


Traders work in the S&P 500 pit of the CME Group's Chicago Board of Trade in Chicago, Illinois, U.S., on Friday, March 16, 2012. U.S. stocks were little changed as an unexpected drop in consumer confidence and a rally in oil tempered optimism about growth in the world's largest economy. Photographer: Tim Boyle/Bloomberg via Getty Images

Traders work in the S&P 500 pit of the CME Group’s Chicago Board of Trade in Chicago, Illinois, U.S., on Friday, March 16, 2012. U.S. stocks were little changed as an unexpected drop in consumer confidence and a rally in oil tempered optimism about growth in the world’s largest economy. Photographer: Tim Boyle/Bloomberg via Getty Images