A $412.66 million jumbo mortgage-backed security planned by a unit of JPMorgan Chase received high marks from rating services save for the representations-and-warranty framework on the MBS. Presale reports on JPMorgan Mortgage Trust 2016-1 were published last week, with AAA ratings from DBRS, Fitch Ratings and Moody’s Investors Service. Some 15 lenders contributed to the planned MBS, led by New Penn Financial with a 19.7 percent share, Primary Capital Mortgage ...