Under a new system of "circuit breakers" for individual stocks put in last month by the SEC, U.S. stock exchanges must briefly halttrading of major stocks that mark big swings.
The broad-based buying became so frantic in the afternoon that the South Korean exchange was forced to halttrading for five minutes.
当天下午买气一片疯狂，迫使韩国股市交易一度停顿了五分钟。
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Under a new system of "circuit breakers" for individual stocks put in last month by the SEC, U. s. stock exchanges must briefly halttrading of major stocks that mark big swings.