.8 billion of market and foreign exchange gains . claymore also contributed $ 0.9 billion of aum . currency and commodities products include a range of active and passive products . our ishares commodities products represented $ 24.3 billion of aum , including $ 0.7 billion acquired from claymore , and are not eligible for performance fees . cash management cash management aum totaled $ 263.7 billion at december 31 , 2012 , up $ 9.1 billion , or 4% ( 4 % ) , from year-end 2011