TNC Securities Investigation: Tennant 23% Stock Drop Triggers Securities Fraud Investigation Over ERP System Issues – Investors Urged to Contact BFA Law

NEW YORK, May 20, 2026 (GLOBE NEWSWIRE) -- Leading securities law firm  Bleichmar Fonti & Auld LLP announces an investigation into Tennant Company (NYSE:TNC) for potential violations of the federal securities laws. If you invested in Tennant, you are encouraged to obtain additional information by visiting: https://www.bfalaw.com/cases/tennant-company-class-action-lawsuit.