Key TakeawaysFair Isaac shares plummeted approximately 13% during Friday’s trading session, ranking among the S&P 500’s poorest performersThe closing price represents the company’s weakest level since late 2023FHFA’s Bill Pulte publicly called for more affordable credit scoring on March 24Missouri Senator Josh Hawley launched a formal probe into the company’s pricing strategiesInvestment bank Barclays reduced its price objective to $1,950 while maintaining an Overweight stanceShares of Fair Isaac experienced a substantial decline on Friday, plummeting roughly 13% to close at $954.43. This marks a trajectory toward the company’s weakest closing level since November 6, 2023, when shares settled at $927.76. Only Akamai Technologies posted a worse performance among S&P 500 constituents that day.Fair Isaac Corporation, FICOMeanwhile, broader market indices painted a contrasting picture. The S&P 500 climbed 0.2%, though the Dow Jones Industrial Average slipped 0.3%. FICO’s steep decline stood out sharply against this mixed backdrop.The selloff extended beyond Fair Isaac itself. Other credit reporting companies also experienced significant downward pressure. TransUnion’s shares declined 4.2%, Equifax retreated 2.7%, and Experian similarly posted losses for the session.Regulatory concerns surrounding FICO have been mounting over recent weeks. On March 24, Bill Pulte, Director of the Federal Housing Finance Agency, took to social media to declare that both credit score and credit bureau pricing structures “must be more affordable.” His statement came as a response to commentary from Missouri’s Republican Senator Josh Hawley.Senator Hawley escalated matters by announcing the commencement of a formal investigation targeting FICO’s pricing methodologies. The company has not yet issued a public statement regarding the investigation.Such regulatory scrutiny typically weighs heavily on stock performance, particularly for a company already experiencing downward momentum entering the trading week.Investment Bank Reduces Price OutlookCompounding the regulatory concerns, Barclays issued a more conservative assessment of the company’s prospects. The investment bank cautioned that FICO’s strong first-quarter financial performance might prove insufficient to counterbalance mounting investor anxiety regarding the company’s competitive positioning in artificial intelligence.Barclays revised its price target downward to $1,950 from its previous estimate, though the firm retained its Overweight rating on the shares. While the bank continues to identify long-term value potential, it anticipates near-term investor sentiment will remain subdued as macroeconomic uncertainty and AI-related narratives influence trading patterns.Management’s forward guidance is anticipated to face heightened examination, especially considering geopolitical uncertainties that weren’t fully incorporated into prior projections.Challenging Year Continues to DeteriorateFair Isaac’s year-to-date stock performance presents a concerning picture for shareholders. The shares have declined approximately 43% since the beginning of the year, with a 24% drop recorded in March alone. Friday’s selloff positions the stock for its fifth consecutive monthly decline.Daily trading volume averages approximately 337,499 shares, while technical indicators currently signal a Sell recommendation. The company’s market capitalization has contracted to roughly $25.44 billion.Before Friday’s trading session, FICO stock had already fallen around 36.57% year-to-date, establishing it as among the S&P 500’s weakest performers in 2026.The investigation initiated by Senator Hawley continues to develop, while Fair Isaac has yet to publicly respond to the pricing criticisms voiced by both the Senator and FHFA Director Pulte.The post Fair Isaac (FICO) Stock Plunges 13% Amid Senate Probe and AI Headwinds appeared first on Blockonomi.