CDT Environmental Technology Investment (CDTG) said Friday it received a notification letter from Nasdaq stating that it is no longer in compliance with the stock exchange's minimum bid price rule.
CDT said it has until Dec. 15 to regain compliance with the rule.
The company said it will monitor the closing bid price of its shares and is evaluating options to restore compliance.
The company's shares were falling more than 2% in after-hours activity.