如果同一个客户在一小时内买入并卖出同一股票，则BusinessEvents系统将生成一个SellAfterBuy操作。
If a stock is bought and sold by the same customer within an hour, a SellAfterBuy action is generated by the Business Events system.
这一策略可以多种形式实施：股票配期权、同一股票的两个类别互配、各种大宗商品进行组合搭配，或用受同一力量影响的任意两项资产进行配对交易。
The strategy can take numerous shapes, matching stocks with options, two classes of the same stock, commodities against each other or just about any two assets that are affected by the same forces.
List博士还举出了人类的群体思维破坏决策的例子，如投资者蜂拥购买同一股票，就会导致其他入市者盲目跟风的情况，进而造成股市的泡沫现象。
Dr List adds that people demonstrate this kind of bad decision-making when investors pile into a stock and others follow, creating a bubble for which there is no good reason.
List博士还举出了人类的群体思维破坏决策的例子，如投资者蜂拥购买同一股票，就会导致其他入市者盲目跟风的情况，进而造成股市的泡沫现象。
Dr List adds that people demonstrate this kind of bad decision-making when investors pile into a stock and others follow, creating a bubble for which there is no good reason.
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