CoStar Group (CSGP) shares rose 4.79% on June 18, 2026. The real estate data provider finished the session as a leading market gainer.
The stock price recently touched a 52-week low before rebounding. Investor optimism fueled the rally following comments from Federal Reserve Chairman Kevin Warsh.
Warsh signaled a potentially hawkish stance on monetary policy. Favorable sentiment in U.S. stock index futures further supported the price increase.