NEW YORK--(BUSINESS WIRE)--U.S. CMBS delinquencies fell by their largest margin in over a year thanks to high resolution volume and steady new issuance, according to the latest index results from Fitch Ratings. Loan delinquencies fell 19 basis points (bps) in May to 4.48% from 4.67% a month earlier. The dollar balance of late-pays fell $646 million to $17.1 billion from $17.7 billion in April. The delinquency drop was driven by resolutions of $1.03 billion outpacing new delinquencies of $411 mi