This Fintech Stock Dropped 40% Today to Lead S&P 500 Decliners. Here's Why.

Cheng Xin / Getty Images Fiserv shares have lost nearly two-thirds of their value since the start of the year. Key Takeaways Fintech firm Fiserv's third-quarter results missed analysts' expectations, and the company lowered its 2025 guidance significantly. The Milwaukee-based company also announced a new CFO and board changes, as well as plans to move its listing to Nasdaq with a new ticker. Fiserv shares are on pace for their worst day ever Wednesday after the fintech company released a disappointi ...