Industry: Pollution & Treatment Controls -1.87%

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Biggest Gainers

Name Vol Diff
GLV Inc. Cl B MV 1.40K +8.33%
Alter NRG Corp. J 5.78K +1.56%
GLV Inc. Cl A SV 33.21K +1.54%
Advanced Emissions Solutions Inc 335.74K +1.23%
BioteQ Environmntl J 45.00K +0.00%
ClearSign Combustion Corp 20.18K -0.85%

Biggest Losers

Name Vol Diff
GreenHunter Resources Inc 1.02M -4.31%
Ceco Environmental Corp 146.21K -3.89%
Heritage-Crystal Clean Inc 42.40K -3.36%
Euro Tech Holdings Ltd 21.99K -2.94%
MFRI Inc 15.46K -2.82%
Calgon Carbon Corp 258.32K -2.75%

Most Active Large Companies

Name Vol Diff
Donaldson Co 413.34K -2.29%
Clarcor Inc 361.49K -1.36%
Advanced Emissions Solutions Inc 335.74K +1.23%
Federal Signal Corp 308.43K -1.36%
Calgon Carbon Corp 258.32K -2.75%
Energy Recovery Inc 191.67K -2.40%

Most Active Small Companies

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