OLDWICK, N.J.–(BUSINESS WIRE)– #insurance–AM Best has downgraded the Financial Strength Rating (FSR) to B+ (Good) from B++ (Good) and the Long-Term Issuer Credit Rating (Long-Term ICR) to “bbb-” (Good) from “bbb” (Good) of Hanover Fire & Casualty Insurance Company (Hanover) (King of Prussia, PA). Concurrently, AM Best has maintained the under review with negative implications status for these Credit Ratings (ratings).The ratings reflect Hanover’s balance sheet strength, which AM Best assesses as adequ