CoStar Group shares fell to a new 52-week low of $31.78 on May 14, 2026. The stock experienced heavy trading volume as prices dropped 14% over the past month. Year-to-date, the company's share price has declined 51%. Selling pressure intensified following the stock's scheduled removal from the Nasdaq-100 index.
On the same day, subsidiary Apartments.com launched its inaugural quarterly RentPulse Index. The report tracks the financial health and behaviors of U.S. renters. Findings show Sun Belt renters are benefiting from falling rents and concessions. Conversely, renters in coastal and Northeastern regions face increasing affordability challenges.