A man walks past an electronic board showing Japan's Nikkei average, the Dow Jones average and the stock averages of other countries' outside a brokerage in Tokyo

A man walks past an electronic board showing Japan’s Nikkei average, the Dow Jones average and the stock averages of other countries’ outside a brokerage in Tokyo

Keeping mum in Tokyo. Photo: Reuters/Kim Kyung-Hoon

May 12, 2017 10:10 AM (UTC+8)