ESG downgrades hit shares harder when investor expectations are high, study finds

Published on August 24, 2026

A study of more than 6,700 S&P 500 ESG rating changes finds that downgrades hit share prices harder when investor sentiment is already strongly positive – suggesting that the higher the expectations, the harder companies fall when their sustainability scores slip.

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PE firms deploy AI teams to transform portfolio companies

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Private equity firms are increasingly embedding artificial intelligence specialists within portfolio companies as sponsors look to use the technology to develop new products, improve operations and create additional sources of revenue, according to a report by the Wall Street Journal.Blackstone and Hellman & Friedman have teamed up with Anthropic to create a roughly 160-person AI engineering opera

Apollo discloses data breach

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Apollo Global Management has disclosed a data breach after hackers gained unauthorised access to some of the asset manager’s cloud systems and obtained personal information, according to a report by Reuters.The New York-based private markets firm said the intrusion occurred between 6 July and 10 July. Apollo notified law enforcement and brought in external cybersecurity and forensic specialists to