CECO Environmental Corp (NASDAQ: CECE) was the largest loser in the industrial pollution and treatment sector dropping 5.76% on the day to $7.53. The price range was $7.5 – $8.0 and with 123,768 shares exchanging hand which is lower than the average trading volume of 129,696.
Fuel tech Inc. (NASDAQ: FTEK) was also another top loser with the stock plunging 5.61% to $1.85. The day’s trading range is $1.85 and $2.015 on volume of 933,013 which is lower than the average trading volume of 1,333,195.
LiqTech International Inc. (NASDAQ: LIQT) stock was also among the biggest losers after it lost 5.22% to close at $7.27. The day’s price range was $7.24 $7.8 and trading volume was 80,645.
Perma-Pipe International Holdings Inc. (NASDAQ: PPIH) was another loser in the industrial pollution and treatment sector losing 2.9% to end the day at $6.7. The day’s share price range was $6.66-$7.11 on a high trading volume of 20,411 than the average trading volume of 14,601.
ClearSign Technologies Corporation (NASDAQ: CLIR) stock dropped 2.83% to close at $4.46 with the share price ranging between $4.4501 and $4.68 on the day. Very few shares exchanged hands around 31,341 which is fewer than the average volume of 201,057.
BioHiTech Global (NASDAQ: BHTG) shares were 1.48% down to $1.33. they traded within a range of $1.32-$1.44 on volume of 398,323.
Tomi Environmental Solutions Inc. (NASDAQ: TOMZ) shares lost 0.77% to close at $1.57, having gained $1.56 pre-market. Shares exchanged hands at $2.56 to $2.75 with the day’s volume of 59,700 being lower than the average volume of 143,624.
Euro Tech Holdings Company Limited (NASDAQ: CLWT) stock has been on a downward spiral this past week. The stock lost 0.32% to close at $3.16 with 137,655 shares exchanging hands.
Advanced Emissions Solutions Inc. (NASDAQ: ADES) was the only gainer in the pollution & treatment controls sector. The stock gained continued the impressive run in the last week gaining 0.28% to close at $7.17.