Industry: Pollution & Treatment Controls -0.16%

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Biggest Gainers

Name Vol Diff
GreenHunter Resources Inc 844.84K +12.29%
Advanced Emissions Solutions Inc 179.58K +6.03%
ClearSign Combustion Corp 46.13K +4.39%
Heritage-Crystal Clean Inc 25.25K +2.76%
Energy Recovery Inc 84.60K +2.38%
Alter NRG Corp. J 50.93K +1.85%

Biggest Losers

Name Vol Diff
LiqTech International Inc 262.03K -2.44%
MFRI Inc 11.05K -1.77%
Donaldson Co 594.48K -0.74%
Tennant Co 60.47K -0.37%
Clean Diesel Technologies Inc 80.19K +0.00%
Blue Earth Inc 436.90K +0.00%

Most Active Large Companies

Name Vol Diff
Donaldson Co 594.48K -0.74%
Blue Earth Inc 436.90K +0.00%
Clarcor Inc 232.06K +0.85%
Advanced Emissions Solutions Inc 179.58K +6.03%
Federal Signal Corp 131.75K +0.07%
Calgon Carbon Corp 130.88K +0.38%

Most Active Small Companies

Name Vol Diff
GreenHunter Resources Inc 844.84K +12.29%
LiqTech International Inc 262.03K -2.44%
Clean Diesel Technologies Inc 80.19K +0.00%
Alter NRG Corp. J 50.93K +1.85%
ClearSign Combustion Corp 46.13K +4.39%
MFRI Inc 11.05K -1.77%
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