JPMorgan Chase and EverBank Financial are separately working on non-agency jumbo mortgage-backed security deals, according to presale reports released this week. Issuance by the two banks will double the number of post-crisis non-agency jumbo MBS issuers, and they are doing things a little differently than standard-setter Redwood Trust. After the pending deals close, $3.59 billion in non-agency jumbo MBS will have been issued in 2013, according to the Inside Mortgage Finance MBS Database, more than the ...