He has set up limit orders for around a third of his clients to buy either a stock index fund or a commodity ETN in the event of a sharp swing.

他为大约三分之一的客户建立了限价订单，以便在发生急剧震荡的时候买进一只跟踪股指的基金，或者是一只跟踪大宗商品行情的ETN。

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"Market orders", which ask for a stock to be sold at the best available price without specifying a minimum-as opposed to "limit orders", which set a floor-are also coming under fire.

和确定最低价格的“限价订单”相反，“市场订单”要求股票在价格最好时卖出，却没有限定最低价，如今受到各方责难。

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The best way to protect yourself is to use limit orders when placing an order to buy or sell a stock or an exchange-traded fund. (See How Your Buy and Sell Orders Get Filled for more.) Look at the bid-ask spread and set your price limit at the bid for selling a stock and at the ask for buying a stock.

FORBES: Don't Let Cases Of Financial Foul Play Keep You Out Of The Market