Great Britain’s exit from the European Union has triggered a drop in mortgage rates that will have significant effects on the U.S. mortgage market, according to a recent analysis by the Urban Institute. UI’s analysis attributed the mortgage-rate drop to a decline in the 10-year Treasury rate, which fell from 1.74 percent. The rate fell to 1.46 percent on the day after the vote. The more capital continues swarming toward the safety of 10-year T-notes, the lower rates would fall ...