Credit Suisse issued a $422.2 million non-agency jumbo mortgage-backed security last week with some of the loans in the private placement sourced from Two Harbors Investment. Two Harbors – a real estate investment trust that has been working to issue its own non-agency MBS for more than a year – is also expected to be the initial investor in the subordinate tranche of the MBS. CSMC Trust 2013-TH1 received AAA ratings from DBRS, Fitch Ratings and Standard & Poor’s, with 7.05 percent credit enhancement ...