Hot Topic, Inc (Nasdaq:HOTT), Central European Media Enterprises Ltd (Nasdaq:CETV) and Diamond Foods Inc (Nasdaq:DMND) are among the most actively traded companies in Thursday's trading among companies with market capitalizations under $1 billion.

Also included among the results: AeroVironment Inc (Nasdaq:AVAV), ATP Oil & Gas Corporation (Nasdaq:ATPG), II VI Inc (Nasdaq:IIVI), Questcor Pharmaceuticals Inc (Nasdaq:QCOR), ViroPharma Inc (Nasdaq:VPHM) and Silver Standard Resources Inc (Nasdaq:SSRI).

Here are the most actively traded companies among small caps:

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