China Precision Steel Inc. (Nasdaq:CPSL), Natus Medical Inc. (Nasdaq:BABY) and Allos Therapeutics Inc. (Nasdaq:ALTH) are among the most actively traded companies in Friday's trading among companies with market capitalizations under $750 million.

Cytori Therapeutics Inc. (Nasdaq:CYTX), China Sunergy Co Ltd. (Nasdaq:CSUN) and Akeena Solar Inc. (Nasdaq:AKNS) are also among the most actively traded companies.

Here are the most actively traded companies among small caps:

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