美股高開低走，納指率先轉跌

array(1) { [447778]=> array(2) { [2]=> array(3) { [0]=> string(12) "高開低走" [1]=> string(12) "外圍股指" [2]=> string(18) "納斯達克指數" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }