NEW YORK and NEW ORLEANS, Oct. 9, 2026 /PRNewswire/ -- Kahn Swick & Foti, LLC ("KSF") and KSF partner, former Attorney General of Louisiana, Charles C. Foti, Jr., notifies investors in Duolingo, Inc. (NasdaqGS: DUOL) of a class action securities lawsuit. CLASS DEFINITION: The lawsuit...