Refinances of outstanding single-family rental securitizations are accounting for a growing share of new issuance. The trend has been prompted, in part, by home price appreciation, which has made it more difficult for some firms to source new properties. Some $4.41 billion of single-family rental securities were issued in the first half of 2018, according to Inside MBS & ABS. Blackstone Group’s Invitation Homes dominates the sector. The firm, which merged with Starwood Waypoint Homes ...