Industry: Pollution & Treatment Controls -0.45%

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Biggest Gainers

Name Vol Diff
GreenHunter Resources Inc 876.25K +5.56%
Euro Tech Holdings Ltd 32.52K +4.80%
Heritage-Crystal Clean Inc 23.51K +2.49%
Clean Diesel Technologies Inc 136.13K +1.28%
GLV Inc. Cl B MV 100.00 +0.92%
Energy Recovery Inc 149.59K +0.88%

Biggest Losers

Name Vol Diff
Alter NRG Corp. J 8.70K -4.29%
Advanced Emissions Solutions Inc 125.72K -3.45%
Ceco Environmental Corp 105.05K -2.63%
Federal Signal Corp 184.71K -2.05%
Calgon Carbon Corp 163.20K -1.52%
ClearSign Combustion Corp 20.62K -1.11%

Most Active Large Companies

Name Vol Diff
GreenHunter Resources Inc 876.25K +5.56%
Clarcor Inc 223.83K -0.07%
Donaldson Co 213.38K -0.22%
Federal Signal Corp 184.71K -2.05%
Calgon Carbon Corp 163.20K -1.52%
Energy Recovery Inc 149.59K +0.88%

Most Active Small Companies

Name Vol Diff
LiqTech International Inc 508.24K -0.68%
Clean Diesel Technologies Inc 136.13K +1.28%
Euro Tech Holdings Ltd 32.52K +4.80%
ClearSign Combustion Corp 20.62K -1.11%
Alter NRG Corp. J 8.70K -4.29%
MFRI Inc 7.02K +0.77%
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