U.S. mortgage rates end year with another decline

U.S. mortgage rates declined again, and have ended the year lower, according to Freddie Mac. The 30-year fixed mortgage averaged 4.55 percent for the week ending Dec. 27, down from 4.62 percent the previous week. A year ago, mortgage rates stood at 3.99 percent. Low mortgage rates had been helping propel U.S. home sales and…