MONTERREY, Mexico–(BUSINESS WIRE)–Fitch Ratings has affirmed the ‘BBB+’ rating to Mexico City’s Airport Trust’s (Grupo Aeroportuario de la Ciudad de Mexico, S.A. de C.V. [GACM]) senior secured notes and has revised the Outlook to Negative from Stable. The action affects USD2 billion of issued notes out of a program expected to reach up to USD6 billion by 2018. The Outlook has been revised to Negative following Fitch’s recent action on the sovereign rating of Mexico. The corresponding Outlook