U.S. mortgage prices are hitting record lows. December 16, 2011- This week the rates for mortgages dropped to record lows. The average 20-year fixed mortgage rate fell to just 3.94%. That matched the lowest all time rate from October of this year. The rate for a 15-year fixed mortgage dropped to a new low of 3.21% that passed a previous low set from October 6 of this year. Adjustable rate mortgages for five-year terms fell to new lows for the week at just 2.86%. According to analysts, the low mortgage...