Mortgage rates surged to a 21-year high this week, a jump that will make it even harder for buyers to afford homes in a market hampered by high prices and low inventory.The average 30-year fixed-rate mortgage — the most popular home loan in the United States — was 7.09 percent, up from 6.96 percent last week, Freddie Mac said on Thursday. A year earlier, the 30-year rate was 5.13 percent.Analysts say they expect mortgage rates to remain lofty in the near term, and to start cooling only gradually by the end of the year. The current rate is the highest since April 2002. Since then, home buyers enjoyed years of falling rates, w …
