Two nonbanks with jumbo conduit operations have faced issues recently. Premium Point Investments recently announced the New Issue Opportunity Fund will no longer invest in new jumbo mortgage-backed securities from WinWater Home Mortgage. Premium Point is an asset-management firm that established WinWater in late 2013. Premium Point said the NIOF purchased approximately $3.3 billion in whole loans and invested in 10 mortgage-backed securities issued by ...