The flight to safety is driving down mortgage rates for the fifth straight week, to an average...

|By:, SA News Editor

The flight to safety is driving down mortgage rates for the fifth straight week, to an average 4.78% for a 30-year fixed-rate loan, Freddie Mac reports. Refinancing is jumping again, with the MBA's refi index jumping 17% last week, and purchase applications fell to the lowest level since 1997 in a post-tax credit hangover.