Because stocks must be bought and sold on a stock exchange, an individual investor needs a broker to make transactions for him.

由于必须在证券交易所买卖股票，个人投资者需要一个经纪人替他做交易。

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In Claçado’s example, a system for stock exchange for traders has three parts - data gathering, user interaction and transactions - with a different team working on each of them.

在Claçado举的例子中，为证券交易所经纪人开发的系统有三个部分——数据采集、用户交互和事务，其中每一个部分由不同的团队处理。

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It has developed systems for the London Stock Exchange to curb insider dealing by detecting out of the ordinary transactions by investors.

该公司已经为伦敦证券交易所开发了一个通过发现投资者的超常规交易，限制内部交易的系统。

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In its latest 10Q, the company did disclose that it's received a subpoena from the Securities And Exchange Commission relating to its stock and transactions.

FORBES: Magazine Article

Given the ambit that the FCPA covers, both U.S. and foreign companies listed on a U.S. stock exchange, and the number of individual transactions engaged in by businesses, one might expect the number to be much higher.

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These days Goldman's trading arm is the technology and volume leader at the New York Stock Exchange, where it executes 70% of the transactions electronically, versus less than half of trading for its rivals.

FORBES: Magazine Article