LOS ANGELES--(BUSINESS WIRE)--The Law Offices of Frank R. Cruz reminds investors of the upcoming January 5, 2026 deadline to participate as a lead plaintiff in the securities fraud class action lawsuit filed on behalf of investors who acquired Six Flags Entertainment Corporation ("Six Flags†or the "Company†) (NYSE: FUN) common stock pursuant or traceable to the Company's registration statement and prospectus issued in connection with the July 1, 2024 merger of Six Flags with Cedar Fair, L.P. (. ...