Here’s What Caused Fiserv’s (FISV) Fundamentals to Weaken Unexpectedly

Mairs & Power, an investment advisor, released the fourth-quarter 2025 investor letter for the “Mairs & Power Growth Fund.” A copy of the letter is available for download here. In 2025, artificial intelligence (AI) and market concentration dominated the market. Increased investment in technology and AI infrastructure drove rising valuations and corporate spending, leading to bubble-like […]