Fiserv earnings miss triggers 44% stock plunge: Argentina slowdown deepens hit; leadership shake-up adds to market jitters

Fintech giant Fiserv Inc. experienced a significant 44% stock crash following a drastic cut to its full-year earnings and revenue guidance. The company cited Argentina’s economic downturn as a primary drag on growth. Alongside these disappointing results, Fiserv announced a sweeping leadership overhaul and plans to move its stock listing to Nasdaq.