DryShips Inc. (Nasdaq:DRYS), Geron Corp. (Nasdaq:GERN) and Palm Inc. (Nasdaq:PALM) are among the most actively traded companies in Monday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Perfect World Co Ltd. (Nasdaq:PWRD), Rambus Inc. (Nasdaq:RMBS), Ameristar Casinos Inc. (Nasdaq:ASCA), BE Aerospace Inc. (Nasdaq:BEAV), Central European Media Enterprises Ltd. (Nasdaq:CETV) and Iconix Brand Group Inc. (Nasdaq:ICON).

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