The nation’s megabanks reported modest to strong growth in residential production for the second quarter, a likely harbinger of what might be a stellar showing by some of the nation’s nonbanks, which have been steadily gaining market share the past few years. According to a tally from Inside Mortgage Trends based on earnings reports issued this week, Wells Fargo was not only the market leader in originations with $62.0 billion in the second quarter ... [Includes one data chart]