Black Swan Events, 黑天鵝事件

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5 black swans that could rock markets in 2016 - MarketWatch
http://www.marketwatch.com/story/5-black-swans-that-could-rock-markets-in-2016-2015-12-29

黑天鹅事件- MBA智库百科

黑天鹅事件（Black Swan Events‎）

黑天鵝事件（Black swan event)名稱由來 - 86722理財網

Black swan theory - Wikipedia, the free encyclopedia

The black swan theory or theory of black swan events

iPhone 7難產？ 2016年恐出現5大黑天鵝 | ETtoday財經新聞 | ETtoday 新聞雲

Blackest of Black Swan events – the Saudi riyal

Hantec Markets on the Swiss Franc Black Swan event, on