Key Takeaways Block Q3 2025 revenues grew 2.3% and gross profit up 18.3%, led by Cash App growth and steady Square gains.UPST's Q3 2025 revenues grew 71% while loan originations jumped 80%, with underwriting driving scale.UPST's auto, HELOC and small-dollar loans reached nearly 12% of originations, with AI automating 91% of loans.The fintech sector’s transformation is being fueled by innovations in digital payments, credit underwriting and user experience. Among the notable players, Block, Inc. (XYZ) and Up ...