Issuance of non-agency jumbo mortgage-backed securities continues to increase along with the number of issuers participating in the market. Issuers acknowledge that spreads on AAA non-agency MBS are widening, causing margins to decline, but they suggest that a significant increase in non-agency MBS production will help tighten spreads, benefitting issuers. Credit Suisse issued its third non-agency jumbo MBS of the year this week. The $393.77 million deal received AAA ratings from DBRS and ...