Credit Suisse issued its latest non-agency jumbo mortgage-backed security at the end of August, about one month after the previous issuance from the investment bank. Mortgages in the latest security, the $399.77 million CSMC Trust 2013-7, were seasoned an average of three months, according to DBRS. The mortgages have a weighted average interest rate of 3.875 percent. All of the mortgages have 30-year fixed-rate terms, and one has a 10-year interest-only feature. The deal received AAA ratings with ...