Mortgage rates haven't moved higher in eight weeks, and this week they took a dive. The average 30-year fixed rate is down 15 basis points this week, and buyers are noticing. Freddie Mac reports that purchase loan applications are seeing the highest year-over-year growth in more than four years. This could leave potential home buyers wondering, “Is this a good time to buy a house?” In this article: Are mortgage rates dropping? As of Sept. 11, Freddie Mac reported that rates for 30-year fixed-rate mortg ...