Property characteristics and appraisals have accounted for an increasing share of the issues that delay closing of purchase mortgages, according to the latest Campbell/Inside Mortgage FinanceHousingPulse Tracking Survey. Real estate agents participating in the survey cited property issues as causing 22.5 percent of closing delays in January, based on a three-month moving average. That’s up from a 16.5 percent share as recently as October. The increase appears...