Big providers of ETFs, such as Barclays Global Investors (BGI) and State Street, say that retail investors now account for two-thirds of inflows, double their share of five years ago.

• 大的ETF供应商，像巴克莱环球投资（BGI）和道富，都称个人投资者交易额已占到了三分之二，份额比五年前翻了一番。