Private mortgage insurers may be gaining momentum as the mortgage market steers toward a greater focus on purchase-mortgage lending, according to a new Inside Mortgage Finance analysis of Fannie Mae and Freddie Mac data. The two government-sponsored enterprises securitized a total of $56.11 billion of home loans that included private MI coverage during the second quarter of 2013. That was up 12.1 percent from the first three months of the year, compared to a 5.1 percent decline in total GSE business over that period. Private MI activity is...[Includes one data chart]