PennyMac Financial Services has significantly curtailed its originations of jumbo mortgages in recent years, and ended 2016 nearly out of the sector all together. PennyMac didn’t have any jumbo originations in the fourth quarter and as of the end of 2016, the nonbank only had $1.0 million in locked jumbos in its pipeline.Citigroup has entered into a subservicing agreement with Cenlar for the bank’s non-agency mortgages. Servicing is expected to be transferred ... [Includes four briefs]