FCStone Group, Inc. (Nasdaq:FCSX), Jos A Bank Clothiers Inc (Nasdaq:JOSB) and Canadian Solar Inc (Nasdaq:CSIQ) are among the most actively traded companies in Thursday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Evergreen Solar Inc (Nasdaq:ESLR), Solarfun Power Holdings Co Ltd (Nasdaq:SOLF), Trico Marine Services Inc (Nasdaq:TRMA), Micrus Endovascular Corp (Nasdaq:MEND), TriQuint Semiconductor Inc (Nasdaq:TQNT) and California Pizza Kitchen Inc (Nasdaq:CPKI).

Here are the most actively traded companies among small caps:

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