China Sunergy Co Ltd. (Nasdaq:CSUN), National Coal Corp. (Nasdaq:NCOC) and DrdGold (Nasdaq:DROOY) are among the most actively traded companies in Thursday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Ceragon Networks Ltd. (Nasdaq:CRNT), Royale Energy Inc. (Nasdaq:ROYL), Hurco Cos Inc. (Nasdaq:HURC), Hoku Scientific Inc. (Nasdaq:HOKU), Almost Family Inc. (Nasdaq:AFAM) and TeleCommunication Systems Inc. (Nasdaq:TSYS).

Here are the most actively traded companies among small caps:

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