U.S. EconomyAnother week brings another round of record lows in mortgage rates, as Freddie Mac reports the...May 17, 2012 10:09 AM ETBy: Carl Surran, SA News Editor1 Comment Another week brings another round of record lows in mortgage rates, as Freddie Mac reports the 30-year fixed-rate average fell to 3.79% from 3.83% in the prior week, and the 15-year rate ticked down one bp to 3.04%. Recommended For YouTrending AnalysisTrending News