Citigroup Global Markets Realty is preparing to issue a non-agency jumbo mortgage-backed security next week, according to a preliminary term sheet provided to Inside Nonconforming Markets. The issuance would come just two weeks after Shellpoint Partners scrapped a planned jumbo MBS because of tepid investor demand. Blackstone is also offering the first securitization backed by rental proceeds from real estate owned properties and Freddie Mac is preparing its second non-agency risk-sharing transaction ...