OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has revised the outlooks to negative from stable and affirmed the Financial Strength Rating of A- (Excellent) and the Long-Term Issuer Credit Rating of “a-” for QBE Seguros (San Juan, PR). The ratings reflect QBE Seguros’ balance sheet strength, which A.M. Best categorizes as adequate, as well as its adequate operating performance, limited business profile and appropriate enterprise risk management. The ratings also consider the extensive reinsurance su