Trading floor clerk Jeff Feldman fills a trading order as he

UNITED STATES - MARCH 18: Trading floor clerk Jeff Feldman fills a trading order as he works in the S&P 500 pit at CME Group Inc.'s Chicago Board of Trade shortly after the Federal Open Market Committee's (FOMC) rate decision in Chicago, Illinois, U.S., on Wednesday, March 18, 2009. Fed officials kept the benchmark interest rate at between zero and 0.25 percent and said it will consider expanding the Term Asset-Backed Securities Loan Facility to include (Photo by Tim Boyle/Bloomberg via Getty Images)