OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has upgraded the Financial Strength Rating to A- (Excellent) from B++ (Good) and the Long-Term Issuer Credit Rating to “a-” from “bbb+” of Wayne Mutual Insurance Company (Wayne) (Wooster, OH). The outlook of these Credit Ratings (ratings) has been revised to stable from positive. The rating upgrades reflect the sustained improvement in Wayne’s underwriting and operating results over the past several years, which strengthened its risk-adjusted capitaliza
