The 30-year mortgage rate hit a record low last week,
The average rate fell to 6.64%, down 2 basis points from the previous
Freddie Mac has been tracking interest rates since 1967.
The steady slide in rates since August is expected to push annual
The average 15-year rate last week was 6.35%, its lowest since October
One-year Treasury-indexed mortgages averaged 5.432% last week, versus
The Southwest had the lowest rates in the nation, Freddie Mac said.