Industry: Pollution & Treatment Controls -0.45%

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Biggest Gainers

Name Vol Diff
GLV Inc. Cl B MV 150.00 +16.28%
Alter NRG Corp. J 4.75K +6.54%
MFRI Inc 25.89K +2.71%
Clean Diesel Technologies Inc 275.17K +0.83%
GreenHunter Resources Inc 943.87K +0.34%
Heritage-Crystal Clean Inc 18.60K +0.06%

Biggest Losers

Name Vol Diff
LiqTech International Inc 2.67M -12.88%
Energy Recovery Inc 174.10K -4.78%
Euro Tech Holdings Ltd 36.48K -3.13%
GLV Inc. Cl A SV 20.89K -3.09%
ClearSign Combustion Corp 18.80K -2.14%
Ceco Environmental Corp 106.08K -1.63%

Most Active Large Companies

Name Vol Diff
Clarcor Inc 267.03K -0.21%
Federal Signal Corp 225.56K -0.77%
Energy Recovery Inc 174.10K -4.78%
Calgon Carbon Corp 155.99K -1.01%
Advanced Emissions Solutions Inc 141.49K -0.81%
Donaldson Co 133.42K -0.10%

Most Active Small Companies

Name Vol Diff
LiqTech International Inc 2.67M -12.88%
GreenHunter Resources Inc 943.87K +0.34%
Clean Diesel Technologies Inc 275.17K +0.83%
Euro Tech Holdings Ltd 36.48K -3.13%
MFRI Inc 25.89K +2.71%
ClearSign Combustion Corp 18.80K -2.14%
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