The level of warehouse commitments rose 9.6 percent on a sequential basis in the second quarter as originations increased in the primary market, according to figures compiled by Inside MortgageFinance. Overall, commitments edged up to an estimated $30.0 billion across the industry. But compared to the same period a year ago, commitments fell a bloodcurdling 26.8 percent, reflecting the downdraft in the overall origination market over the past 12 months. According to interviews conducted by Inside Mortgage Finance over the past few weeks, usage rates improved...[Includes one data chart]