FirstCity Financial Corp. (Nasdaq:FCFC), Naugatuck Valley Financial Corp. (Nasdaq:NVSL) and West Bancorp Inc. (Nasdaq:WTBA) are among the biggest percentage gainers in Tuesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Franklin Street Properties Corp. (Nasdaq:FSP), NetScout Systems Inc. (Nasdaq:NTCT), American Commercial Lines Inc. (Nasdaq:ACLI), Peapack Gladstone Financial Corp. (Nasdaq:PGC), Citizens & Northern Corp. (Nasdaq:CZNC) and Lawson Products Inc. (Nasdaq:LAWS).

Here are the biggest percentage gainers among small caps:

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