Fiserv, Inc. ( FISV ) plummeted by almost 70% in 2025. This massive dip is explained by repeated earnings disappointments, slashed guidance, and the class-action lawsuit. Wall Street analysts believe that FISV is substantiallyComing from an IT background, I have dived into the U.S. stock market seven years ago by managing portfolio of my family. Starting managing real money has been challenging for the first time, but long hours of mastering fundamental analysis of public companies paid off and now I feel v ...