Rates for home loans pulled back after hitting a four-and-a-half-year high, in a springtime reprieve for home buyers. The 30-year fixed-rate mortgage averaged 4.55% during the May 3 week, according to Freddie Mac’s survey, released Thursday. That was down from 4.58% in the prior week. The 15-year fixed-rate mortgage averaged 4.03% during the week, up one basis point during the week. The 5-year Treasury-indexed hybrid adjustable-rate mortgage averaged 3.69%, down from 3.74%.