NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) affirmed its insurance financial strength rating of AA+, with a Stable Outlook, for Assured Guaranty Municipal Corp. (AGM), a financial guaranty subsidiary of Assured Guaranty Ltd. (together with its subsidiaries, Assured Guaranty)(NYSE:AGO). In the report, KBRA noted the following key strengths supporting AGM’s AA+ rating: AGM demonstrated the ability to withstand KBRA’s conservative stress case loss assumptions across the breadth of i