Formula Systems Depository Receipt (Nasdaq:FORTY), Saks Inc. (Nasdaq:SKS) and Mercantile Bancorp Inc. (Nasdaq:MBR) are among the biggest percentage gainers in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Safe Bulkers Inc. (Nasdaq:SB), CardioNet Inc. (Nasdaq:BEAT), Lifeway Foods Inc. (Nasdaq:LWAY), Fuqi International Inc. (Nasdaq:FUQI), W Holding Co Inc. (Nasdaq:WHI) and eLoyalty Corp. (Nasdaq:ELOY).

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