NEW YORK–(BUSINESS WIRE)–Fitch Ratings has affirmed Higher Education Loan Authority of the State of Missouri Series 2013-1 (MOHELA 2013-1) notes at ‘AAAsf’, removed them from Rating Watch Negative and assigned a Stable Outlook. KEY RATING DRIVERS U.S. Sovereign Risk: The trust collateral consists of 100% of Federal Family Education Loan Program (FFELP) loans. Guarantees are provided by the transaction’s eligible guarantors and reinsurance is provided by the U.S. Department of Education (ED) f