CVR Energy Inc. (Nasdaq:CVI), Green Plains Renewable Energy Inc. (Nasdaq:GPRE) and Western Refining Inc. (Nasdaq:WNR) are among the biggest percentage losers in Wednesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Mitcham Industries Inc. (Nasdaq:MIND), Stillwater Mining Co. (Nasdaq:SWC), Cosan Ltd. (Nasdaq:CZZ), New Hampshire Thrift Bancshares Inc. (Nasdaq:NHTB), Daktronics Inc. (Nasdaq:DAKT) and Clinical Data Inc. (Nasdaq:CLDA).

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