Arris Group Inc (Nasdaq:ARRS), Crocs Inc (Nasdaq:CROX) 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: Evergreen Solar Inc (Nasdaq:ESLR), Finish Line Inc (Nasdaq:FINL), Solarfun Power Holdings Co Ltd (Nasdaq:SOLF), EMCORE Corp (Nasdaq:EMKR), Quest Energy Partners L P (Nasdaq:QELP) and James River Coal Co (Nasdaq:JRCC).

Here are the most actively traded companies among small caps:

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