Originations of jumbo mortgages continued to increase in the second quarter of 2015 and lenders are chasing volume by lowering interest rates and loosening underwriting standards. Some $93.0 billion in jumbos were originated in the second quarter, according to estimates by Inside Nonconforming Markets. Halfway through 2015, originations totaled an estimated $163.0 billion, up 58.3 percent compared with the mid-point of 2014. Banks continue to ... [Includes one data chart]