NEW YORK, July 27, 2025 (GLOBE NEWSWIRE) -- WHY: Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of common stock of Fiserv, Inc. (NYSE: FI) between July 24, 2024 and July 22, 2025, both dates inclusive (the “Class Period”). A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than September 22, 2025. SO WHAT: If you purchased Fiserv common stock during the Class Perio ...