A lender that focuses on investment properties is preparing to issue a non-agency MBS backed by adjustable-rate mortgages on residential and commercial properties. The deal shares some characteristics with non-agency MBS backed by new loans, but it’s different in a lot of ways. The planned $358.60 million Velocity Commercial Capital 2016-1 received provisional AAA ratings this week from Kroll Bond Rating Agency. Residential properties account for 55.3 percent of the collateral, with small commercial properties making up the rest. All of the mortgages backing the planned MBS are for investment properties. Velocity Commercial Capital issued...