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

Also included among the results: Infinera Corp. (Nasdaq:INFN), Ariba Inc. (Nasdaq:ARBA), Ciena Corp. (Nasdaq:CIEN), Harmonic Inc. (Nasdaq:HLIT), CyberSource Corp. (Nasdaq:CYBS) and Neogen Corp. (Nasdaq:NEOG).

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