据汤森路透(Thompson Reuters)的数据,预计标准普尔500指数成份股的总收益将较去年第三季度下滑25%。
Overall earnings for the S&P 500 companies are expected to fall 25% from last year's third quarter, according to Thompson Reuters.
完全复制目标指数也许太昂贵了或是不切实际的,为了达到混合的目的,ETF的供应商往往和银行进行一个被称为总收益互换的交易。
It may be too costly or impractical to replicate the targeted index completely. To synthesise it, the ETF provider usually enters into a transaction known as a total return swap with a bank.
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