A new feature Redwood Trust has included in its two most recent jumbo mortgage-backed securities has prompted support from AAA investors along with mixed reactions from rating services. The $356.45 million Sequoia Mortgage Trust 2015-2 issued in April and the $343.21 million Sequoia Mortgage Trust 2015-3 that was issued this week included a unique stop-advance feature. Servicers of the loans won’t be allowed to provide advances of principal and interest on loans that are 120+ days delinquent. The jumbo MBS were rated by Kroll Bond Rating Agency and Moody’s Investors Service ...