NEW YORK (S&P Global Ratings) Aug. 17, 2018--S&P Global Ratings lowered its ratings on 18 tender-option bond trust issues issued for FMSbonds Inc. and Mesirow Financial Inc. related to various underlying bonds. (Please see the table.) This action follows various actions taken by S&P Global Ratings on the underlying bonds. S&P Global Ratings lowered its ratings on the underlying bonds. (Please see the article, titled "Metropolitan Transportation Authority, NY Various Ratings Lowered On Weaker Coverage," published Aug. 9, 2018, on RatingsDirect.) The long-term component of the ratings on the floaters and the ratings on the residuals reflect the rating on the underlying bonds and our expectation of the likelihood of bondholders receiving interest and principal payments when due if they