OLDWICK, N.J.–(BUSINESS WIRE)–A.M. Best has affirmed the Financial Strength Rating (FSR) of A- (Excellent) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of “a-” for the member companies of Stewart Title Group (Stewart). A.M. Best also has affirmed the Long-Term ICR of “bbb-” for the parent holding company, Stewart Information Services Corporation (headquartered in Houston, TX) [NYSE: STC]. Concurrently, Stewart Title Guaranty de Mexico, S.A. de C.V. (STGM) (Mexico) became a member o