US rate on 30-year mortgage declines to 3.51 pct. - Article Photos 1/1

In this Wednesday, Feb. 27, 2013, photo, a "for sale" sign is seen outside a home in Glenview, Ill., Average U.S. rates on fixed mortgages moved closer to historic lows this week, a trend that has helped drive a rebound in home sales. (AP Photo/Nam Y. Huh)