The amount of equity U.S. homeowners could access rose by almost $570 billion in 2016, reaching $4.7 trillion last year, thanks to an extended streak of home price appreciation. This was the highest level of “tappable” equity seen since 2006, according to a new report from Black Knight Financial Services. Perhaps just as impressive, an eye-popping 44 percent of refinanced mortgages in the fourth quarter of 2016 were cash-out refis, the highest level in eight years ...