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TECOGEN INC/WALTHAM MA (TGEN) Stock Stock Chart

USA - NYSE Arca - NYSEARCA:TGEN - US87876P2011 - Common Stock

6.56 USD
-0.23 (-3.39%)
Last: 12/10/2025, 8:20:30 PM
6.48 USD
-0.08 (-1.22%)
After Hours: 12/10/2025, 8:20:30 PM
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TECOGEN INC/WALTHAM MA / TGEN Daily stock chart