Tennant Company (NYSE:TNC) Investor Alert: Investigation over Potential Wrongdoing An investigation on behalf of investors in Tennant Company (NYSE:TNC) shares over potential wrongdoing at Tennant Company was announced. San Diego, CA -- ( SBWIRE ) -- 05|12|2021 -- An investigation was announced over potential breaches of fiduciary duties by certain directors at Tennant Company. Investors who purchased shares of Tennant Company (NYSE: TNC) and currently hold any of those NYSE: TNC shares have certain options and should contact the Shareholders Foundation at mail@shareholdersfoundation.com or call 1(858) 779 - 1554. The investigation by a law firm concerns whether certain Tennant Company directors breached their fiduciary duties and caused damage to the company and its shareholders. Eden Prairie, MN based Tennant Company, together with its subsidiaries, designs, manufactures, and markets floor cleaning equipment in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. Tennant Company reported that its annual Total Revenue declined from over $1.13 billion in 2019 to $1 billion in 2020, and that Net Income declined from $45.8 million in 2019 to $33.7 million in 2020.