Redwood Trust, Credit Suisse and Two Harbors Investment are working on separate jumbo mortgage-backed securities that will be issued next week. The deals vary slightly by issuer, including some non-qualified mortgages in Redwood’s deal and sunset provisions on representations and warranties on Credit Suisse’s jumbo MBS. Redwood’s $338.80 million Sequoia Mortgage Trust 2015-1 is set to receive AAA rating with credit enhancement of 7.25 percent ...