 Affiliated Managers Group, Inc. NYSE:AMG saw a significant decline in short interest in the month of February. As of February 14th, there was short interest totalling 2,080,000 shares, a decline of 16.5 from the January 30th total of 2,490,000 shares. Based on an average daily volume of 706,200 shares, the days-to-cover ratio is currently 2.9 ... 