The average time a stock is held is 22 seconds, as computerized high-speed trading accounts for most transactions, according to analysts at the University of Missouri.

美国密苏里大学分析人员表示，由于电脑系统可高速处理多数股票交易，一只个股平均被持有的时间只有22秒。

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The program trading utilizes high-speed, swift treatment ability of the computer and catches the instant change of the price in stock market, so that makes use of different price to obtain profits.

程序化交易利用计算机高速、快捷的处理能力，抓住股市上价格的瞬间变化，利用价差来获得利润。

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In last few years, increase along with the high speed of international trading and of our country economy.

近几年，随着国际贸易和我国经济的高速增长。

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The plunge renewed debate about the risks of electronic exchanges and high-speed computer trading systems.

VOA: special.2010.05.14

Wall Street players have lately expressed concern that too much regulation of high-speed trading could crimp markets.

WSJ: Ban on Flash Orders Is Considered by SEC

High-speed trading has chased nearly every distortion out of the market, other than the ones created by traders themselves.

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Beyond the official scrutiny lies a tussle among exchanges for market share as high-speed trading becomes a central cog of the market.

WSJ: Ban on Flash Orders Is Considered by SEC