The average rate on a 30-year mortgage in the U.S. eased for the sixth week in a row, a welcome boost in purchasing power for home shoppers just as the annual spring homebuying season gets going. The average rate fell 6.76% from 6.85% last week, mortgage buyer Freddie Mac said Thursday. A year ago, it averaged 6.94%. Full article here: Average U.S. rate on a 30-year mortgage falls for...