Emcore Corp (Nasdaq:EMKR), China Sunergy Co Ltd (Nasdaq:CSUN) and True Religion Apparel Inc (Nasdaq:TRLG) are among the most actively traded companies in Tuesday's trading among companies with market capitalizations under $750 million.

Hoku Scientific Inc (Nasdaq:HOKU), Ricks Cabaret International Inc (Nasdaq:RICK) and Kenexa Corp (Nasdaq:KNXA) are also among the most actively traded companies.

Here are the most actively traded companies among small caps:

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