股神巴菲特說他89歲，只看過美股熔斷一次，沒想到在三月美股熔斷的好幾次，大家看到新聞知道什麼是熔斷嗎？其實熔斷的概念就是保險絲在電流過大時候熔斷的一種保護機制，所以英文就是 circuit breaker (斷路器)喔！
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circuit breaker 熔斷機制
Circuit breakers halt trading on the nation's stock markets during dramatic drops and are set at 7%, 13%, and 20% of the closing price for the previous day.
當日股價相較前一日收盤價下跌百分之七、百分之十三、百分之兩十時，會啟動熔斷機制暫停該國股市交易。
Circuit breakers are a type of trading curb that halts trading, which are used to curb panic-selling on U.S. stock.
熔斷機制是一種停盤機制，會暫停股市交易，藉此抑制恐慌性拋售美國股票的現象。
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