Mortgage refinance boom takes hold, as weekly demand surges 20% CNBCMortgage applications hit 2-year high as refinancings surge Yahoo FinanceWatch US Mortgage Refinancing Surges as Rates Fall Again BloombergMortgage rates dip to lowest level in two years, spurring big jump in refinances MarketWatchMortgage applications and refinancing rates jumped after Fed lowered rates, according to survey Quartz