The Dow lost more than 155 points in the last hour of trading.

在最后一小时的交易时段内，道指累计下跌超过155点。

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BP (BP) 's stock was down nearly 3% in the first hour of trading.

英国石油公司(BP)的股价在交易日的第一个小时内就下跌了近3%。

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GM gained 3.6 percent to $34.19 today, after climbing 9.1percent in the first hour of trading.

通用股价今天上涨3.6%达到34.19美元，在交易的第一个小时期间，一度上涨了9.1%。

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On Friday, the Dow Jones Industrial Average moved over 1000 points, changing direction 18 times in the last trading hour alone.

FORBES: Briefing Book: A. Michael Lipper

The Merc's new Globex2, set to launch this fall, can handle 24-hour trading via the Internet.

FORBES: Futures Luddites

This week it announced plans for an Internet-based stockmarket in Japan, bringing it closer to 24-hour trading.

ECONOMIST: Exchanges