Cirrus Logic Inc (Nasdaq:CRUS), Vital Signs Inc (Nasdaq:VITL) and GSI Commerce  (Nasdaq:GSIC) are among the biggest percentage gainers in Thursday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Penson Worldwide Inc (Nasdaq:PNSN), Vasco Data Security International Inc (Nasdaq:VDSI), Monro Muffler Brake Inc (Nasdaq:MNRO), Digi International Inc (Nasdaq:DGII), Sonesta International Hotels Corp (Nasdaq:SNSTA) and Greene County Bancorp (Nasdaq:GCBC).

Here are the biggest percentage gainers among small caps:

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