Issuance of jumbo mortgage-backed securities has slowed somewhat this summer, with a lack of consensus from industry participants on whether it’s worth participating in the market. Barclays Capital, which helps fund jumbo MBS activity, said the deals offer about 50 basis points of option-adjusted spread compared with agency MBS. Analysts at Barclays said newly-issued jumbo MBS are attractive for investors less concerned about liquidity. Officials at Anworth Mortgage Asset Corp ...