CoStar Group, Inc. (CSGP) closed Wednesday at $30.01, gaining 2.72% on the day as trading volume pushed the real estate information and analytics company higher for the session.
The single-day advance extended a broader weekly rally, with shares up 8.57% over the past seven days. The stock's market capitalization stood at $11.84 billion at Wednesday's close.
Despite the recent momentum, CSGP remains down 1.44% over the trailing 30-day period, indicating the weekly rebound has only partially offset losses recorded earlier in the month.
The stock's performance reflects a mixed short-term picture, with near-term buying pressure contrasting against a modest longer-term pullback in share price.



