The Korean Stock Exchange halted trading for five minutes when the index fell 5.5%. It was the first time this year that the circuit breaker has been implemented.
股指跌破5.5%时，韩国股票交易所暂停交易，这是本年度首次执行暂停交易。
2
The circuit breaker mechanism refers to measures adopted by stock exchanges to temporarily halt trading to avert panic selling after the stock index has fallen a certain percentage.
熔断机制是指股指下跌一定比例后，证券交易所采取暂停交易以避免恐慌性抛售的措施。
3
The circuit-breaker mechanism refers to measures adopted by stock exchanges to temporarily halt trading to avert panic selling after the stock index has fallen a certain percentage.