In the past week or so, Japanese individuals have significantly increased foreign exchange margin trading to buy dollars and sell yen to take advantage of the interest rate differentials.

在过去一周左右的时间里，日本个人投资者买进美元、卖出日元的外汇保证金交易明显增加，以利用这两种货币之间的利差获利。

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They insist they will go ahead with plans to introduce margin trading, short selling, and futures contracts on share prices.

他们坚决主张按原定计划引入保证金交易，卖空交易，以及股指期货。

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Regulators in recent weeks permitted trading of products tied to selected individual stocks, including margin trading and short selling.

近几个星期，同某些个股挂钩的产品获得监管层放行，包括保证金交易和做空交易。

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Futures trading has become one of the hottest businesses in recent years, fueled by demand from hedge funds and Wall Street banks looking to charge trading revenue by diversifying beyond lower-margin stock trading.

FORBES: The Vultures Are Circling

They have to commit to a minimum trading volume, and a maximum margin between bid- and offer- prices.

ECONOMIST: South Korea

Margin trading increases the relative contribution of idiots in price-setting.

ECONOMIST: Letters