Traders work on the floor of the New York Stock Exchange on Oct. 29, 2025. Spencer Platt/Getty ImagesPayment services provider Fiserv on Oct. 29 slashed its full-year fiscal guidance downward and reorganized its executive leadership team after announcing disappointing third-quarter earnings, moves that sent its share price plummeting.Fiserv’s shares shed billions in value on the news. The stock fell 44.04 percent at the market close to $70.60, down about 70 percent from its 52-week high of $238.





