DryShips Inc. (Nasdaq:DRYS), Retalix Ltd. (Nasdaq:RTLX) and Riverbed Technology Inc. (Nasdaq:RVBD) are among the most actively traded companies in Wednesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Rambus Inc. (Nasdaq:RMBS), Eagle Bulk Shipping Inc. (Nasdaq:EGLE), Geron Corp. (Nasdaq:GERN), Netlogic Microsystems Inc. (Nasdaq:NETL), Ciena Corp. (Nasdaq:CIEN) and Allos Therapeutics Inc. (Nasdaq:ALTH).

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