The turmoil in financial markets around the world is fueling a flight to safety on the part of investors into U.S. dollar-denominated assets, helping to keep mortgage rates in the U.S. housing market lower than they otherwise would be. But how long that will continue is anyone’s guess. “The recent volatility in worldwide financial markets caused Treasury rates to decline, so we’ve seen that being picked up in mortgage rates,” Danielle Hale, managing director of housing statistics for the National Association of Realtors, told Inside Mortgage Finance. Mike Fratantoni, chief economist at the Mortgage Bankers Association, said...