AM Best affirmed the ratings of PT Asuransi Astra Buana, saying “the ratings also factor in a neutral impact from Asuransi Astra’s ultimate parent, Jardine Matheson Holdings Limited [Bermuda].” The ratings agency said, “AM Best has affirmed the Financial Strength Rating [FSR] of A- [Excellent], the Long-Term Issuer Credit Rating of “a-” [Excellent] and the …