AM Best has affirmed the Long-Term Issuer Credit Rating [Long-Term ICR] of “bbb+” [Good] and the Long-Term Issue Credit Ratings [Long-Term IRs] of Markel Group Inc. [Markel] [Glen Allen, VA]. AM Best also has affirmed the Financial Strength Rating [FSR] of A [Excellent] and the Long-Term ICRs of “a+” [Excellent] of all the members of […]