A M Castle & Co. (Nasdaq:CAS), Gaylord Entertainment Co. (Nasdaq:GET) and First United Corp Maryland (Nasdaq:FUNC) are among the biggest percentage gainers in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: SL Green Rlty REIT (Nasdaq:SLG), Helen of Troy Ltd. (Nasdaq:HELE), Imperial Sugar Co. (Nasdaq:IPSU), Dollar Financial Corp. (Nasdaq:DLLR), M I Homes Inc. (Nasdaq:MHO) and West Bancorp Inc. (Nasdaq:WTBA).

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