Ceres, Goddess of Agriculture sits atop the Chicago Board of Trade building in Chicago, Illinois on APR 17, 2011.
The Chicago Board of Trade building towers over the south end of LaSalle Street on February 11, 2011 in Chicago, Illinois. The building is home of...
Trader Albert Goldberg signals an order in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade in Chicago, Illinois, U.S., on Thursday, May...
Laurence Dooley reacts during trading in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade in Chicago, Illinois, U.S., on Thursday, May 13,...
Traders work in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade in Chicago, Illinois, U.S., on Thursday, May 13, 2010. U.S. Stocks...
Trader Bryan Cooley signals an order in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade in Chicago, Illinois, U.S., on Thursday, May 13,...
Trader Bryan Cooley signals an order in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade in Chicago, Illinois, U.S., on Thursday, May 13,...
Trader Bernard O'Donnell, front, signals an order in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade in Chicago, Illinois, U.S., on...
Traders, including Bernard O'Donnell, front, work in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade in Chicago, Illinois, U.S., on...
Trader Jeff Silver signals an order in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade in Chicago, Illinois, U.S., on Thursday, May 13,...
Trader signals an order in the S&P 500 pit on the floor of the Chicago Board of Trade following the U.S. Federal Reserve Federal Open Market...
Trader signals an order in the S&P 500 pit on the floor of the Chicago Board of Trade following the U.S. Federal Reserve Federal Open Market...
Bryan Cooley, far left, works in the S&P 500 pit on the floor of the Chicago Board of Trade following the U.S. Federal Reserve Federal Open Market...
Traders signal orders in the S&P 500 pit on the floor of the Chicago Board of Trade following the U.S. Federal Reserve Federal Open Market Committee...
Trader awaits the U.S. Federal Reserve Federal Open Market Committee rate decision in the S&P 500 pit on the floor of the Chicago Board of Trade in...
Trader signals an order in the S&P 500 pit on the floor of the Chicago Board of Trade following the U.S. Federal Reserve Federal Open Market...
Traders work in the S&P 500 pit on the floor of the Chicago Board of Trade following the U.S. Federal Reserve Federal Open Market Committee rate...
View, looking northwest from East Balbo Avenue with the Willis Tower on the left and the Chicago Board of Trade Building at center right, Chicago,...
Robert Gault works in the S&P 500 pit on the floor of the Chicago Board of Trade following the U.S. Federal Reserve Federal Open Market Committee...
Traders work in the S&P 500 pit on the floor of the Chicago Board of Trade following the U.S. Federal Reserve Federal Open Market Committee rate...
Traders in the S&P 500 pit on the floor of the Chicago Board of Trade wait for the U.S. Federal Reserve Federal Open Market Committee rate decision,...
Trader takes a break during the final hour of trading in the S&P 500 futures pit at the CME Goup Inc.'s Chicago Board of Trade on the last trading...
Traders in the Corn options pit of the CME Group at the Chicago Board of Trade, celebrate as confetti falls signaling the end of the trading year...
Traders react in the last few minutes before the end of trading for the year in the Eurodollars Options trading pit at the CME Group Inc.'s Chicago...
Traders in the Corn options pit of the CME Group at the Chicago Board of Trade, celebrate as confetti falls signaling the end of the trading year...
Trader in the Corn options pit of the CME Group at the Chicago Board of Trade, signals an order shortly before the end of the trading year December...
Traders in the Corn options pit of the CME Group at the Chicago Board of Trade, signal orders shortly before the end of the trading year December 31,...
Jeff Silver signals a trade in the S&P 500 futures trading pit at the CME Group Inc.'s Chicago Board of Trade on the last trading day of the year in...
Traders William Walsh, front left, Sean Ridgeway, center, and Paul Mortell, right, celebrate as confetti falls at the close of trading in the...
Two traders sit on a confetti-strewn floor after the close of trading in the Eurodollar Options pit at the CME Group Inc.'s Chicago Board of Trade on...
Traders William Walsh, left, and Sean Ridgeway, center, celebrate as confetti falls at the close of trading in the Eurodollar Options trading pit at...
Traders in the Eurodollar trading pit at the CME Group's Chicago Board of Trade signal orders December 31, 2009 in Chicago, Illinois. All three major...
Traders in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade signal orders December 31, 2009 in Chicago, Illinois. All three major indexes...
Traders and clerks in the Eurodollar trading pit at the CME Group's Chicago Board of Trade celebrate as confetti falls signaling the end of the...
Traders work in the S&P 500 pit at the Chicago Board of Trade, in Chicago, Illinois, U.S., on Wednesday, Aug. 12, 2009. U.S. Federal Reserve...
Traders work in the S&P 500 pit at the Chicago Board of Trade, in Chicago, Illinois, U.S., on Wednesday, Aug. 12, 2009. U.S. Federal Reserve...
Traders work in the S&P 500 pit at the Chicago Board of Trade, in Chicago, Illinois, U.S., on Wednesday, Aug. 12, 2009. U.S. Federal Reserve...
Traders work in the S&P 500 pit at the Chicago Board of Trade, in Chicago, Illinois, U.S., on Wednesday, Aug. 12, 2009. U.S. Federal Reserve...
Bill Gross, co-chief investment officer of Pacific Investment Management Co., is seen on a monitor near the S&P 500 pit at CME Group Inc.'s Chicago...
Trader David Gaughan, left, shouts out an order in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market...
Traders work in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market Committee's rate decision in...
Traders work in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market Committee's rate decision in...
Traders work in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market Committee's rate decision in...
Trader Brian Duffy, right, signals orders in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market...
Television at CME Group Inc.'s Chicago Board of Trade displays news on the Federal Open Market Committee rate decision in Chicago, Illinois, U.S., on...
Traders signal orders in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market Committee rate decision in...
Traders wait for a Federal Open Market Committee rate decision in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade in Chicago, Illinois,...
Trading board at CME Group Inc.'s Chicago Board of Trade displays news on the Federal Open Market Committee rate decision in Chicago, Illinois, U.S.,...
Traders signal orders in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market Committee rate decision in...
Traders signal orders in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market Committee rate decision in...
Trader Bryan Cooley signals out an order in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market...
Traders work in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly before the Federal Open Market Committee's rate decision in...
Traders work in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market Committee's rate decision in...