Correspondent lenders whose mortgages end up in non-agency jumbo mortgage-backed securities could be required by issuers to retain a portion of the risk from the issuance, according to the net risk-retention rule proposed last week by federal regulators. As with the risk-retention rule originally proposed in 2011, the new proposal allows security sponsors to require certain originators to retain risk on securitized assets. Issuers of non-agency MBS subject to risk-retention requirements would be ...