Palm Inc. (Nasdaq:PALM), Centennial Communications Corp. (Nasdaq:CYCL) and Diodes Inc. (Nasdaq:DIOD) are among the most actively traded companies in Monday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Osiris Therapeutics Inc. (Nasdaq:OSIR), Fuel Systems Solutions Inc. (Nasdaq:FSYS), Energy Conversion Devices Inc. (Nasdaq:ENER), ACI Worldwide Inc. (Nasdaq:ACIW), Bucyrus International Inc (Nasdaq:BUCY) and Eclipsys Corp. (Nasdaq:ECLP).

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