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Photo by: Richard Drew

In this Jan. 25, 2012, photo, traders Thomas Kay, left, Marshall Ryan, center, and Robert McQuade work on the floor of the New York Stock Exchange. World stock markets rose on Thursday, Jan. 26, after the U.S. Federal Reserve pledged to keep interest rates low until late 2014 to nurture the country's stubbornly slow economic recovery. (AP Photo/Richard Drew)

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