Traders work in the ten-year U.S. Treasury Note options pit at the Chicago Board of Trade in Chicago, Illinois, U.S., on Wednesday, Oct. 24, 2012. Fed Chairman Ben S. Bernanke is leading a third round of unprecedented bond-buying as he seeks to speed job creation for 12.1 million unemployed Americans. The FOMC, in its last scheduled meeting before the presidential election, repeated today that it would press on with the asset purchases until the labor market improves Òsubstantially.Ó Photographer: Daniel Acker/Bloomberg