Brown Shoe Company Inc. (Nasdaq:BWS), TF Financial Corp. (Nasdaq:THRD) and OYO Geospace Corp. (Nasdaq:OYOG) are among the biggest percentage losers in Monday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Gladstone Commerical (Nasdaq:GOOD), RadiSys Corp. (Nasdaq:RSYS), Vivus Inc. (Nasdaq:VVUS), Century Aluminum Co. (Nasdaq:CENX), Hiland Partners LP (Nasdaq:HLND) and AmeriCredit Corp. (Nasdaq:ACF).

Here are the biggest percentage losers among small caps:

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