Graphic Packaging Holding Company (GPK) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit

LOS ANGELES, May 28, 2026 /PRNewswire/ -- Glancy Prongay Wolke & Rotter LLP announces that investors with losses have opportunity to lead the securities fraud class action lawsuit against Graphic Packaging Holding Company ("Graphic Packaging" or the "Company") (NYSE: GPK). IF YOU SUFFERED...