CoStar Group Stock (CSGP) Slumps as Google Tests Home Listings in Search: Latest News, Forecasts, and Outlook (Dec. 15, 2025)
CoStar Group, Inc. (NASDAQ: CSGP) took a sharp hit on Monday, December 15, 2025, as investors reacted to reports that Google is testing a new way to display homes-for-sale listings directly inside search results—potentially pressuring the lead-generation economics that power major property portals. CoStar shares were down roughly 7%–8%, trading around $63 after opening near $68, and touching an intraday low around $62. StockAnalysis The move put CoStar among the weakest Nasdaq 100 performers on the session, reflecting how sensitive real estate marketplace stocks are to any sign of platform disruption from Alphabet’s search engine. Nasdaq+1 Below is a detailed
