PHILADELPHIA, July 28, 2025 /PRNewswire/ -- National plaintiffs' law firm Berger Montague PC is investigating potential claims against Fiserv, Inc. (NYSE: FI) ("Fiserv" or the "Company") related to alleged securities law violations. This investigation follows the filing of a securities class action lawsuit against Fiserv and certain of its senior executives on behalf of investors who purchased the Company's securities between July 24, 2024 and July 22, 2025 (the "Class Period").Investor Deadline: Investors ...