华尔街分析师指出，其他市场参与者可能也会要求其提供更多的交易抵押品，而且如果他们对其经纪业务稳定性有担忧的话，还有可能撤销交易。
Wall Street analysts note that other market participants may demand extra collateral for trades or pull back from trading if they are worried about a brokerage firm's stability.
高频交易者试图利用一连串的试探性报价(会立即撤销的定单)来获知投资者希望在什么价位买进(或卖出)股票。
High-frequency traders attempt to uncover how much an investor is willing to pay (or sell for) by sending out a stream of probing quotes that are swiftly cancelled until they elicit a response.
金融服务委员会撤销了在交易所交易的必要条件（但可能会再加上来）；农业委员会则放宽了对交易所的定义。
The Committee on Financial Services removed the exchange-trading requirement (but may backtrack); the Agriculture Committee diluted the definition of an exchange.
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