Mortgage lenders harvested a landmark crop of purchase-money mortgages during the second quarter, fueled partly by continuing growth in the first-time buyer segment, according to a new ranking and analysis by Inside Mortgage Finance. An estimated $307.0 billion of purchase loans were originated in the second quarter, up a stunning 49.8 percent from the first three months of the year. That was the highest quarterly volume for purchase-mortgage lending since the third quarter of 2006. Purchase loans accounted for 67.5 percent of the estimated $455.0 billion in first-lien mortgage originations during the April-June cycle, the highest such share since at least 2003. First-time buyers contributed...[Includes three data tables]