EarthLink Inc. (Nasdaq:ELNK), Children's Place Retail Stores Inc. (Nasdaq:PLCE) and A Power Energy Generation Systems Ltd. (Nasdaq:APWR) are among the most actively traded companies in Wednesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Canadian Solar Inc. (Nasdaq:CSIQ), Century Aluminum Co. (Nasdaq:CENX), Republic Airways Holdings Inc. (Nasdaq:RJET), Spectrum Pharmaceuticals Inc. (Nasdaq:SPPI), AgFeed Industries Inc. (Nasdaq:FEED) and James River Coal Co. (Nasdaq:JRCC).

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