Shellpoint Partners is preparing to issue a $308.64 million non-agency jumbo mortgage-backed security and officials at the firm are hoping that interest rates stay calm at least until the issuance is completed. Interest rates spiked after Shellpoint offered its first jumbo MBS in June, a $261.58 million deal, prompting the company to voluntarily provide credit enhancement of 20.0 percent on the security double what was required by the rating services in an effort to attract investors. The latest deal features ...