FICO stock plummets as credit reporting for mortgages gets shaken up

Kevin Carter/Getty ImagesFair Isaac stock plunged on Tuesday. FHFA director Bill Pulte said Fannie and Freddie will now also incorporate VantageScore into mortgage pricing. Rocket Mortgage, meanwhile, announced it will also use VantageScore for underwriting mortgages. The move: Fair Isaac Corporation stock plunged as much as 29% on Tuesday to a low of $595.19, extending declines over the past month. Shares of the financial data and credit reporting company are down 64% year to date. Why: FICO st