美股日內大跌，道指重挫逾900點

array(1) { [400773]=> array(2) { [2]=> array(3) { [0]=> string(6) "暴跌" [1]=> string(12) "外圍股指" [2]=> string(15) "道瓊斯指數" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }