Flagstar Bank is set to issue a non-agency mortgage-backed security stocked solely with investment-property mortgages eligible for sale to the government-sponsored enterprises. The issuance is a first in the post-crisis era and it suggests that Flagstar expects better execution in the non-agency market than from delivering the loans to Fannie Mae or Freddie Mac. Flagstar Mortgage Trust 2018-3INV will be a $329.1 million issuance, according to presale reports published ...