Tecogen Inc. (OTCMKTS:TGEN – Get Rating)’s share price was up 1.7% on Monday . The company traded as high as $1.17 and last traded at $1.17. Approximately 1,222 shares were traded during mid-day trading, a decline of 89% from the average daily volume of 11,264 shares. The stock had previously closed at $1.15. Tecogen Trading […]