Oil-Dri Corp of America (Nasdaq:ODC), Columbia Banking System Inc. (Nasdaq:COLB) and Mid Penn Bancorp Inc. (Nasdaq:MPB) are among the biggest percentage losers in Monday's trading among companies with market capitalizations under $1 billion.

Also included among the results: AgFeed Industries Inc. (Nasdaq:FEED), Chindex International Inc. (Nasdaq:CHDX), BTU International Inc. (Nasdaq:BTUI), Broadwind Energy Inc. (Nasdaq:BWEN), Force Protection Inc. (Nasdaq:FRPT) and Cogo Group Inc. (Nasdaq:COGO).

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