Shares of Upstart Holdings Inc. NASDAQ: UPST, Affirm Holdings Inc. NASDAQ: AFRM, and Rocket Companies Inc. NYSE: RKT are under tremendous upside pressure right now. Each company has a strong individual value proposition, and some are already beginning to show in price action that hints at a potential bull run.  But the real tailwind is what's going on in fintech as the Federal Reserve begins to cut rates.Get Upstart alerts:The first cut finally came in September, and at least two more are expected before th ...