Commercial banks and thrifts continued to back away from the business of servicing home mortgages for other investors during the second quarter of 2015, according to a new Inside Mortgage Trends analysis of call reports. At the end of June, the industry owned the servicing rights on $4.187 trillion of home loans held by other investors, typically as a result of mortgage securitization. That was down $94.2 billion from the previous quarter, a 2.2 percent decline ... [Includes one data chart]