The jumbo MBS market sprung to life this month, just before the close of the second quarter. Three firms are scheduled to issue jumbo MBS at the end of this week, and the market’s biggest player, Redwood Trust, is close to its first new issuance since pricing a deal at the end of March. While jumbo mortgage securitization is currently attractive to issuers, industry analysts suggest that volume will remain limited this year due to a number of factors, including a lack of strong demand from a wide range of investors, incentives for banks to hold jumbos in portfolio and continued dominance by the government-sponsored enterprises. “I think issuance will remain...