Mortgage rates moved slightly higher for a second straight week, though they remain near the lowest levels of the year. The average 30-year fixed-rate mortgage was 6.34% this week through Wednesday, compared with 6.3% a week earlier, according to Freddie Mac data. The average 15-year mortgage rate was 5.55%, up from 5.49%. Mortgage rates have gradually moved higher since the Federal Reserve cut its benchmark interest rate last month, reflecting investor uncertainty around the speed and aggressiveness of ...