First-time homebuyers account for a growing share of home purchases, and even though housing inventory is limited, originations of mortgages for first-time homebuyers are up sharply. First-time homebuyers accounted for 40.8 percent of home purchases in May, according to results from the latest Campbell/Inside Mortgage Finance HousingPulse Tracking Survey. The share for first-time homebuyers, based on a three-month moving average, was the highest level seen in more than five years. “Demand from first-time homebuyers is...