...OVERVIEW + We affirmed our ratings on seven classes from Morgan Stanley Capital I Trust 2013-ALTM, a U.S. CMBS transaction backed by a fixed-rate loan secured by a retail property located in Altamonte Springs, Fla. + The affirmations on the principal- and interest-paying certificate classes reflect our analysis of the transaction, which included a review of the credit characteristics and performance of the retail collateral securing the loan in the pool, the transaction's structure, and the liquidity available to the trust. NEW YORK (Standard & Poor's) Nov. 16, 2015--Standard & Poor's Ratings Services today affirmed its ratings on seven classes of commercial mortgage pass-through certificates from Morgan Stanley Capital I Trust 2013-ALTM, a U.S. commercial mortgage-backed securities (CMBS) transaction (see list). Our affirmations on the principal- and interest-paying certificate classes follow our analysis of the transaction, primarily using our criteria for rating U.S. and Canadian CMBS...