Industry: Pollution & Treatment Controls 0.89%

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Biggest Gainers

Name Vol Diff
N-Viro International Corp 1.60K +7.20%
LiqTech International Inc 43.32K +5.60%
GLV Inc 81.96K +5.33%
Fuel Tech Inc 149.02K +4.02%
Energy Recovery Inc 240.48K +3.62%
Advanced Emissions Solutions Inc 70.50K +3.02%

Biggest Losers

Name Vol Diff
ProSep Inc 77.00K -39.29%
MFRI Inc 33.07K -2.24%
Donaldson Co 367.35K -0.26%
Bioteq Environmental Technologies Inc 7.50K +0.00%
Alter NRG Corp 154.50K +0.00%
Pacific Sands Inc 10.00K +0.00%

Most Active Large Companies

Name Vol Diff
Donaldson Co 367.35K -0.26%
Energy Recovery Inc 240.48K +3.62%
Calgon Carbon Corp 171.54K +0.76%
Clarcor Inc 136.03K +0.44%
GLV Inc 81.96K +5.33%
Ceco Environmental Corp 80.31K +0.70%

Most Active Small Companies

Name Vol Diff
Alter NRG Corp 154.50K +0.00%
Fuel Tech Inc 149.02K +4.02%
ProSep Inc 77.00K -39.29%
LiqTech International Inc 43.32K +5.60%
MFRI Inc 33.07K -2.24%
Euro Tech Holdings Ltd 21.85K +0.31%
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