Why Is Fair Isaac $FICO Stock Down -20.42% Today? (Find out why any stock moved today on Tickeron.) • Shares plunged 20.42%, falling to about $669.16 from a prior close of $840.89. • Primary catalyst: The Federal Housing Finance Agency (FHFA) said Fannie Mae and Freddie Mac will adopt a single mortgage-pricing grid that includes rival credit score VantageScore alongside FICO Classic. • Secondary driver: Rocket Mortgage became the first lender to name VantageScore its preferred scoring model, reinforcing fears of accelerating competition. • Analyst reaction: Barclays slashed its price target to $935 from $1,700, while multiple firms flagged risk to FICO's fee-based "per-pull" pricing power. • Sector fallout: Credit bureaus sold off in sympathy, with Equifax and TransUnion also trading lower. • What's next: Traders are watching the FHFA's implementation timeline and any further lender shifts toward VantageScore. $INTU $DUOL $CDNS $ADP $ADBE $NOW $ROP