Mortgage origination volume was up substantially in all product categories during the second quarter, but the government-insured market posted the biggest gain, according to a new ranking and analysis by Inside Mortgage Finance. Mortgage lenders produced an estimated $125.0 billion of government-insured home loans during the second quarter, up 19.0 percent from the first three months of the year. That nudged the government-insured share of the market up to 27.5 percent, the highest it’s been since early 2010. In the immediate aftermath of the housing-market meltdown, jumbo and nonprime production was depressed significantly, boosting the shares of government and conventional-conforming production. FHA and VA production typically gains...[Includes two data tables]