Washington Banking Co (Nasdaq:WBCO), Sonic Automotive Inc (Nasdaq:SAH) and BNC Bancorp (Nasdaq:BNCN) are among the biggest percentage losers in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Pyramid Oil Co (Nasdaq:PDO), Chimera Investment Corp (Nasdaq:CIM), Chimera Investment Corp (Nasdaq:CIM), Oneida Financial Corp (Nasdaq:ONFC), NB Capital Corp (Nasdaq:NBD) and Colony Bankcorp Inc (Nasdaq:CBAN).

Here are the biggest percentage losers among small caps:

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