OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has revised the outlooks to stable from negative and affirmed the Financial Strength Rating of C++ (Marginal) and the Long-Term Issuer Credit Rating of “b” of Farmers Mutual Insurance Company of Michigan (FMIBC) (Coldwater, MI). The ratings reflect FMIBC’s balance sheet strength, which A.M. Best categorizes as adequate, as well as its weak operating performance, very limited business profile and marginal enterprise risk management (ERM). The revised out