Average rate on 30-year mortgage slips to 6.08 percent, lowest level in two years
Borrowing costs on 15-year fixed-rate mortgages, popular with homeowners seeking to refinance their home loan to a lower rate, increased slightly this week. The average rate rose to 5.16 percent from 5.15 percent last week. A year ago, it averaged 6.72 percent, Freddie Mac said.