PEMBROKE, Bermuda--(BUSINESS WIRE)--Arch Capital Group Ltd. (NASDAQ: ACGL) ("Arch†or the "Company†) today announced that its Board of Directors has increased the authorization for its existing share repurchase program by $2.0 billion, which, as in the past, may be effected from time to time in open market or privately negotiated transactions. After accounting for this increased authorization and recent share repurchases during the third quarter of 2025, approximately$2.3 billion of share repu. ...