Freddie Mac says the average rate on a 30-year mortgage slipped to 6.78% this week, ending a six-week climb

Freddie Mac says the average rate on a 30-year mortgage slipped to 6.78% this week, ending a six-week climb

MCLEAN, Va. -- Freddie Mac says the average rate on a 30-year mortgage slipped to 6.78% this week, ending a six-week climb.