On October 9, CoStar rose 5.04% in regular trading, trading at $28.98 per share with a turnover of $49.87 million.

The catalyst was the company's recent completion of its $800 million cash acquisition of new-home construction data provider Zonda, which marks a formal entry into the North American new-home residential sector. Management previously indicated the transaction is expected to be accretive to adjusted EPS in its first full year.

Simultaneously, CoStar launched a commercial real estate platform in France and acquired a 30% stake in Italian real estate marketplace Wikicasa, further expanding its European footprint. The prior Q2 report showed adjusted EPS of $0.32 beating consensus of $0.29 and adjusted EBITDA doubling year-over-year, reinforcing signals of an earnings inflection.

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