Big Boards - Top Losers Monday Feb 6 - Source: finviz.com [ 10%+ losers ] RAH Ralcorp Holdings Inc. 75.63 -15.35% SOHU Sohu.com Inc. 53.41 -15.29% CYOU Changyou.com Limited 25.31 -12.99% CPY CPI Corp. 1.39 -12.58% GBG Great Basin Gold Ltd. 1.06 -10.17%