A fresh batch of earnings reports from 15 major mortgage lenders underscored the strength and breadth of the industry’s financial success in the second quarter of 2013. A group of 15 lenders, including a number of nonbanks and regional banks that typically report somewhat later in the earnings cycle, posted a combined $794.8 million in earnings from their mortgage banking operations during the second quarter, according to a new Inside Mortgage Trends analysis. That was up ... [Includes one data chart]