Redwood Trust issued a $320.34 million non-agency jumbo mortgage-backed security last week, its fifth of the year. With the latest transaction, the company has produced $1.67 billion in non-agency jumbo MBS in 2012. Grant Bailey, a managing director at Fitch Ratings, said Redwood’s post-bust securities are “the best transactions ever done in non-agency MBS history.” Sequoia Mortgage Trust 2012-5 received AAA ratings from Fitch, Kroll Bond Rating Agency and Moody’s Investors Service, with 7.30 percent ...