http://www.asahi.com/sp/articles/ASJDX4K9WJDXUHBI017.html?ref=amp_rellink
http://m.jp.wsj.com/articles/SB11677208751388613819604582512252740541054?mobile=y
https://www.google.co.jp/amp/a.excite.co.jp/News/chn_soc/20170107/Searchina_20170107010.amp.html
http://www.traderswebfx.jp/m/news/News.aspx?NCD=590777