Celera Corp. (Nasdaq:CRA), Central European Media Enterprises Ltd. (Nasdaq:CETV) and Energy Conversion Devices Inc. (Nasdaq:ENER) are among the most actively traded companies in Monday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Focus Media Holding Ltd. (Nasdaq:FMCN), Concur Technologies Inc. (Nasdaq:CNQR), Sigma Designs Inc. (Nasdaq:CPHD), SunPower (Nasdaq:SPWRA) and DrdGold ADR (Nasdaq:DROOY).

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