Mortgage rates continued their upward trend in May due to market volatility triggered by fiscal concerns and weaker U.S. Treasury demand. According to Freddie Mac, the average 30-year fixed-rate mortgage rose to 6.82% — a 9-basis-point (bps) increase from April. The 15-year fixed-rate mortgage increased by 5 bps to 5.95%. The 10-year Treasury yield, a...