Mortgage rates linger below 7 percent after reaching four-week low

Mortgage rates are lingering right below 7 percent after reaching a four-week low last Friday. The weekly national average for 30-year mortgage rates has hit 6.36 percent, according to Bankrate, and the national average for 15-year mortgage rates has hit 5.73 percent. It follows a February drop below 6 percent for 30-year mortgages, which happened…