Cadiz Inc. (Nasdaq:CDZI), Jackson Hewitt Tax Service Inc. (Nasdaq:JTX) and Palomar Medical Technologies Inc. (Nasdaq:PMTI) are among the biggest percentage gainers in Friday's trading among companies with market capitalizations under $1 billion.

Also included among the results: American Woodmark Corp. (Nasdaq:AMWD), Greene County Bancorp (Nasdaq:GCBC), Kenexa Corp. (Nasdaq:KNXA), MidWestOne Financial Group Inc. (Nasdaq:MOFG) and Zoltek Companies Inc. (Nasdaq:ZOLT).

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