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Shares of CoStar Group Inc. (CSGP) rallied 2.41% to $67.93 Tuesday, on what proved to be an all-around grim trading session for the stock market, with the S&amp;P 500 Index  falling 0.09% to 6,840.51 and Dow Jones Industrial Average  falling 0.38% to 47,560.29.
The stock's rise snapped a three-day losing streak.
CoStar Group Inc. closed 30.28% short of its 52-week high of $97.43, which the company achieved on August 5th.
Trading volume (2.8 M) remained 1.1 million below its 50-day average volume of 3.9 M.
Data source: Dow Jones Market Data, FactSet. Data compiled December 9, 2025.
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(END) Dow Jones Newswires
12-09-25 1658ET

CSGP

<p>CoStar Group Inc.'s stock rose 2.41% to $67.93 on Tuesday, outperforming the market despite a general downturn. The S&P 500 fell 0.09% and the Dow Jones dropped 0.38%. This rise ended a three-day losing streak, with the stock still 30.28% below its 52-week high. Trading volume was 2.8 million, below the 50-day average of 3.9 million.</p>

CoStar Group Inc. Stock Rises Tuesday, Outperforms Market