ROSEN, HIGHLY REGARDED INVESTOR COUNSEL, Encourages Duolingo, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - DUOL

Rosen Law Firm is soliciting investors who purchased securities in Duolingo, FuelCell Energy, and AST SpaceMobile during specified periods to join class action lawsuits. The Duolingo case alleges the company made false statements about user growth while deliberately adding friction through ads and poor AI-generated content. Similar class actions are pending for FuelCell Energy and AST SpaceMobile with approaching deadlines for lead plaintiff claims.