Under a new system of "circuit breakers" for individual stocks put in last month by the SEC, U. s. stock exchanges must briefly halt trading of major stocks that mark big swings.
上周证券交易委员会推出了针对单个股票，名为“断路器”的新制度：一旦市场出现异动，美国证交会可以短暂停止主要股票的交易。
Under a new system of "circuit breakers" for individual stocks put in last month by the SEC, U. s. stock exchanges must briefly halt trading of major stocks that mark big swings.
上周证券交易委员会推出了针对单个股票，名为“断路器”的新制度：一旦市场出现异动，美国证交会可以短暂停止主要股票的交易。
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