According to The Mortgage Bankers Association's Weekly Applications Survey, the seasonally adjusted Market Composite Index, which measures total mortgage loan application volume, increase 0.6 percent last week from the previous week. On an unadjusted basis, the index was up 25.2 percent from the week before, which included Labor Day. The Refinance Index gained 2.2 percent and the seasonally adjusted Purchase Index fell 4.7 percent.