美股三大指數短線下挫，道指轉跌

array(1) { [460551]=> array(2) { [2]=> array(3) { [0]=> string(12) "外圍股指" [1]=> string(15) "道瓊斯指數" [2]=> string(12) "短線交易" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }