S&P Various U.S. First-Lien Subprime RMBS Classes Downgraded Standard & Poor's Financial Services LLCSusan BarnesRobert B. PollsenErnestine WarnerMichael StockMonica PerelmuterMartin KennedyRosario BuendiaThomas G. GillisAdam M. TempkinChris Atkins July 12, 2007 Download “ S&P Various U.S. First-Lien Subprime RMBS Classes Downgraded” Article-Newsletter/Agency United States