They are trading on a small price/earnings (p/e) premium to the world index, but the gap is much smaller than it was in 2007.
以略高于世界指数的市盈率交易，但幅度较07年缩小。
The firm started to sell $4.1 billion of “E-Mini” futures contracts based on the S&P 500 index through an algorithmic trade, taking account only of volume, not time or price.
该公司开始卖出价值为41亿美元的“电子迷你”期货合约，这些合约以一种算法交易形式建立在标准普尔500指数之上，只考虑交易量而不考虑时间和价格因素。
The S&P materials sector trades at a below-index P/E ratio of 15.3, and the industrial sector is at just 17.2.
标普在低于指数的P /E为15.3比材料界的行业，产业部门仅为17.2。
The S&P materials sector trades at a below-index P/E ratio of 15.3, and the industrial sector is at just 17.2.
标普在低于指数的P /E为15.3比材料界的行业，产业部门仅为17.2。
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