The exchange operator, parent of the Chicago Board of Trade, raised margins on gold futures for speculators to $5, 500 per contract from $4, 500 a contract.

芝加哥期货交易所（Chicago Board of Trade）的母公司CME集团是COMEX的运营商，此次调整意味着黄金炒家在进行黄金期货交易时，每份期货合约所要提供的维持保证金从之前的4 500美元上调至5 500美元。

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Finally, with the pace of modern life becoming faster and faster, both parent and child are too busy to spare enough time to exchange ideas, even if they find it necessary to communicate.

最后，随着现代生活节奏越来越快，父母和孩子都很忙，即使他们认为有必要进行交流也没用足够的时间来交流思想。

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The proposed merger of the New York Stock Exchange's parent company and Euronext NV to create an international trading powerhouse is drawing a lot of attention lately.

FORBES: Why regional exchanges are heating up.

NYSE, parent of the New York Stock Exchange, has proposed to merge with Euronext, while Nasdaq has taken a substantial stake in the London Stock Exchange , with an eye to acquiring more.

FORBES: The $25 Billion Gorilla

The parent company of the New York Mercantile Exchange , which trades in energy and commodity futures, filed preliminary plans for a public offering.

ECONOMIST: Business this week