U.S. Representative Byron Donalds appears to have made a perfectly timed trade in financial services and payments technology company Fiserv (NYSE: FI).Since his congressional sale, Fiserv shares have plunged nearly 70% year to date, trading at $64 as of press time, down over 1% for the day. Since the politician’s sale, FI stock has plunged about 57%. FI YTD stock price chart. Source: Google FinanceAccording to congressional disclosures, Donalds sold Fiserv stock twice on September 4, 2025, with each sale va ...