Mortgage banking profits eroded during the third quarter of 2018 as the industry continued to wrestle with overcapacity and sluggish origination volume. According to the Mortgage Bankers Association’s latest quarterly performance report, the average mortgage banking operation generated $946,000 in pretax income during the July-September cycle, a 31.6 percent decline from the previous quarter. Third-quarter profits were still somewhat stronger than those earned in late 2017 and early this year ...