U.S. home refinancing activity hits 3-year high: MBA

U.S. homeowners filled the most applications to refinance their current mortgages in over three years as 30-year borrowing costs slipped to their lowest levels since November 2016, according to the Mortgage Bankers Association. Yahoo Finance's Zack Guzman & Sibile Marcellus, along with retail expert Erin Sykes discuss.