Although agency originations and refinance activity continued to dominate residential mortgage lending during the second quarter of 2013, a new Inside Mortgage Finance analysis and ranking reveals that both those components were losing steam. In fact, the only product category to show growth during the period was the jumbo market, where originations increased by 9.3 percent and reached their highest quarterly volume – an estimated $59 billion – since the third quarter of 2007. On a year-to-date basis, jumbo originations were up 17.7 percent from the first half of last year. Agency production still accounted...[Includes two data charts]