Despite a continuing glut of distressed properties in the housing market, investors have started dialing back their purchase activity. And the primary reason appears to be a shifting business model that is forcing investors – at least for the time being – to rent rather than flip properties. That’s one of the major findings of the latest Campbell/Inside Mortgage Finance HousingPulse Tracking Survey, which found that the investor share of home purchase transactions slipped to 19.6 percent in July. That was not only down from 21.3 percent in June but also the lowest investor market share recorded in a year. The inability of most investors to...