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Gainers: Hebron Technology (NASDAQ:HEBT) +12%. Air Industries (NYSEMKT:AIRI) +10%. NN (NASDAQ:NNBR) +7%. Limbach Holdings (NASDAQ:LMB) +7%. Research Frontiers (NASDAQ:REFR) +6%.
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Losers: Columbus McKinnon (NASDAQ:CMCO) -9%. NF Energy Saving (NASDAQ:BIMI) -7%.