Yasuhiro Sato, chief executive officer and president at Mizuho Financial Group, discusses how Japanese banks are weathering negative interest rates, post-Brexit location options, and the prospect of banking deregulation under U.S. President-elect Donald Trump. He speaks with Bloomberg's Francine Lacqua from the World Economic Forum in Davos, Switzerland on "Bloomberg Markets: European Open." (Updates reporter's name in description.) (Source: Bloomberg)