Yet the express purpose of the new ETFs is to take copper off a market that is already tight, bringing investors and industrial consumers into direct competition for supplies.

然而，新的交易型开放式指数基金的特殊目的在于将铜从一个已经供不应求的市场里退出，使投资者和工业用户直接参与供应竞争。

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American Express Co., Caterpillar Inc. and Walt Disney Co. lost at least 0.7 percent to lead declines in the Dow Jones Industrial Average.

美国运通公司、卡特彼勒公司和沃尔特迪斯尼公司股价下跌幅度超过0.7%，领跌道琼斯工业平均指数。

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Alcoa Inc. and American Express Co. led declines in Dow Jones Industrial Average shares.

道指中美国铝业(Alcoa Inc .)和美国运通(American Express co .)股价均有所下跌。

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Meanwhile, media in China continue to express anger at the US for accusing Beijing of "industrial cyber-espionage".

BBC: China media: Anger against Abe