According to The Mortgage Bankers Association’s Weekly Applications Survey, the average contract interest rate for a 30-year fixed-rate mortgage fell to 4.96 percent last week from 5.02 percent the week before. As a result of rates being at their lowest level since mid-March, refinance activity increased 14.8 percent from the previous week. The seasonally adjusted Purchase Index, however, dropped 10 percent in the first week following the expiration of the home buyer tax credit. Michael Frantantoni, MBA’s vice president of research and economics said the tax credit likely pulled some sales into April that would’ve otherwise occurred later. More here and here.