Looser underwriting standards and concerns about the financial strength and limited operational history of Shellpoint Partners pushed the credit enhancement on the issuer’s pending non-agency MBS to levels not previously seen in the new wave of non-agency MBS issuance. Shellpoint is preparing a $261.58 million non-agency jumbo MBS, according to presale reports released this week. The deal is set to receive a AAA rating with credit enhancement of 10.10 percent on the top-rated tranche. AAA credit enhancement levels on recent deals from Redwood Trust and JPMorgan Chase have ranged...