White Mountains Insurance Group shares fall 1.43% intraday after CEO succession announcement.

White Mountains Insurance Group, Ltd. declined 1.43% in intraday trading, with the company announcing that Liam Caffrey will become the new CEO, effective January 1, 2026. Mr. Caffrey, currently serving as President and Chief Financial Officer, will succeed Manning Rountree, who will retire at the end of 2025. This leadership transition may have contributed to the stock's decline as investors react to the change in management.