Average US 30-year mortgage rate rises to 3.57 percent

Markets Associated Press

FILE - This Thursday, Dec. 3, 2015, file photo shows an existing home for sale in Roswell, Ga. On Thursday, Nov. 10, 2016, mortgage giant Freddie Mac reported that long-term U.S. mortgage rates rose during the week for a second straight week. (AP ... Photo/John Bazemore, File) (The Associated Press)

Long-term U.S. mortgage rates rose this week for a second straight week.

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Mortgage giant Freddie Mac says the average for a 30-year fixed-rate mortgage increased to 3.57 percent from 3.54 percent last week. Rates remain near historically low levels, however. The benchmark 30-year rate is down from 3.98 percent a year ago. Its all-time low was 3.31 percent in November 2012.

The 15-year fixed-rate mortgage, popular with homeowners who are refinancing, rose to 2.88 percent from 2.84 percent.