https://www.live-feeds.com/feed/fair-isaac-tanks-after-government-snaps-fico-score-monopoly-for-mortgage-pricingContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/fair-isaac-tanks-after-government-snaps-fico-score-monopoly-for-mortgage-pricinghttps://www.live-feeds.com/feed/fair-isaac-tanks-after-government-snaps-fico-score-monopoly-for-mortgage-pricing#u94337Fri, 02 Oct 2026 09:21:23 +0000Fair Isaac Corporation stock suffered a steep decline after Fannie Mae and Freddie Mac opened the door to credit score competition, ending its near monopoly on mortgage pricing. Fair Isaac experienced its worst trading day since 1989, with shares plunging significantly as fears mounted over rival scoring models. Major industry players are already shifting their practices. Rocket Mortgage became the first home lender to use VantageScore as its preferred scoring model on all eligible loans, while United Wholesale Mortgage backed VantageScore 4.0, citing exceptional underwriting results.Why it ma