June is shaping up to be a strong month for the non-agency MBS market with a handful of new deals that reflect the character of the sector: a reliance on scratch-and-dent transactions mixed with an emerging nonprime component and opportunistic prime jumbo issuance. Five non-agency MBS totaling $1.90 billion hit the market in the first week of June, with three S&D deals accounting for $1.30 billion of the total. The biggest of these was...