CHICAGO--(BUSINESS WIRE)--Fitch Ratings has downgraded the following Eleventh Mortgage-Backed Notes Trust's (Eleventh Trust) notes: --$37.8 million series A senior notes to 'BBsf' from 'BB+sf'. The Rating Outlook is revised to Stable from Negative. Fitch's rating addresses the timely payment of interest on a monthly basis and ultimate payment of principal by legal final maturity in October 2041. KEY RATING DRIVERS The rating action reflects the recent downgrades of El Salvador's foreign currenc