NEW YORK–(BUSINESS WIRE)–#muniland–Build America Mutual today announced that S&P Global Ratings affirmed BAM’s AA rating and Stable outlook and removed BAM from CreditWatch. S&P’s decision marks the end of an intensive review of BAM’s first five years of performance and reflects the company’s transition from a “startup” to a “mature company” under S&P’s rating criteria for financial guaranty insurers “S&P’s review confirmed what we’ve known from the start at BAM: A mutual bond insurer f