Commercial banks and savings institutions continued to generate solid earnings on their mortgage banking activity during the second quarter of 2013, according to a new call report analysis by Inside Mortgage Trends. Banks and thrifts reported $8.164 billion in mortgage banking income during the second quarter, a 6.0 percent increase from the first three months of the year. It was, in fact, the second best quarterly earnings for the industry since the bank call report was amended in ... [Includes two data charts]