Geron Corp. (Nasdaq:GERN), Amicus Therapeutics Inc. (Nasdaq:FOLD) and Epoch Holding Corp. (Nasdaq:EPHC) are among the biggest percentage gainers in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: IncrediMail Ltd. (Nasdaq:MAIL), Heritage Crystal Clean Inc. (Nasdaq:HCCI), LSI Industries Inc. (Nasdaq:LYTS), Coldwater Creek Inc. (Nasdaq:CWTR), O'Charley's Inc. (Nasdaq:CHUX) and XenoPort Inc. (Nasdaq:XNPT).

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