LOS ANGELES, April 22, 2025 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Valneva SE (“Valneva” or “the Company”) (NASDAQ: DAVE) investors that the firm has initiated an investigation into possible securities fraud and may file a class action on behalf of investors. Dave investors that lost money on their investment are encouraged to contact Lesley Portnoy, Esq. Investors are encouraged to contact attorney Lesley F. Portnoy, by phone 310-692-8883 or email: info@portnoylaw.com, to discuss their legal righ ...