Last week, a stock market surge pushed rates a bit higher. This week, the average 30-year, fixed-rate mortgage fell once again to 2.72%, its 13th record low this year. U.S. long-term mortgage rates fell this week, reaching record lows for the 13th time this year amid fresh signs of weakness in the pandemic-ravaged economy. Mortgage buyer Freddie Mac reported Thursday that the average rate on the...