NEW YORK, July 25, 2025 /PRNewswire/ --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 23, 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 Period you m ...