CoStar Group Inc. Stock Falls Thursday, Underperforms Market

Dow Jones09-18

DJ CoStar Group Inc. Stock Falls Thursday, Underperforms Market

This article was automatically generated by MarketWatch using technology from Automated Insights.

Shares of CoStar Group Inc. $(CSGP)$ shed 3.51% to $29.30 Thursday, on what proved to be an all-around positive trading session for the stock market, with the S&P 500 Index rising 1.14% to 7,637.76 and the Dow Jones Industrial Average rising 0.61% to 51,778.04.

This was the stock's second consecutive day of losses.

CoStar Group Inc. closed 67.71% below its 52-week high of $90.72, which the company achieved on September 17th.

Trading volume (4.8 M) remained 2.3 million below its 50-day average volume of 7.1 M.

Data source: Dow Jones Market Data, FactSet. Data compiled September 17, 2026.

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