Wind River Systems Inc. (Nasdaq:WIND), Cowen Group Inc (Nasdaq:COWN) and Rogers Corp. (Nasdaq:ROG) are among the biggest percentage gainers in Thursday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Conn's Inc. (Nasdaq:CONN), Dyncorp International Inc. (Nasdaq:DCP), G-III Apparel Group Ltd. (Nasdaq:GIII), US Global Investors Inc (Nasdaq:GROW), Greene County Bancorp. (Nasdaq:GCBC) and Bio-Reference Laboratories Inc. (Nasdaq:BRLI).

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