Mortgage bankers reported a sharp decline in profitability during the third quarter of 2015, including a bottom-line loss on servicing activity, according to the Mortgage Bankers Association’s quarterly performance report. The average firm’s pretax income was $1.70 million for the third quarter, the MBA said, down 51.4 percent from the previous three-month period. For the year, however, average firm pretax income was up 19.1 percent from the first nine months of 2014 ...