Production of new first-lien home mortgages fizzled in the first quarter of 2017 as the bottom fell out of the refinance market and home sales slumbered, according to a new Inside Mortgage Finance ranking and analysis. An estimated $385.0 billion of new first-lien mortgages were originated in the first three months of the year, a 33.6 percent downturn from the fourth quarter of 2016. It likely did not mark the end of the world, however. For starters, the fourth quarter of last year surprised on the upside – at $580.0 billion, it was the second-highest quarterly volume in the previous four years. And the start of 2017 was...[Includes two data tables]