AM Best Affirms Credit Ratings of Arch Capital Group Ltd. and Subsidiaries

OLDWICK, N.J.--(BUSINESS WIRE)--AM Best has affirmed the Financial Strength Rating (FSR) of A+ (Superior) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of “aa-” (Superior) of Arch Reinsurance Ltd. (Arch) (Bermuda) and its strategic affiliates. Concurrently, AM Best has affirmed the Long-Term ICRs of “a-” (Excellent) and the Long-Term Issue Credit Ratings (Long-Term IRs) of Arch Capital Group Ltd. (Arch Capital) (Bermuda) [NASDAQ: ACGL], the ultimate holding company; Arch Capital Group (US) Inc (De ...