美股走低，納指轉跌

array(1) { [433454]=> array(2) { [2]=> array(2) { [0]=> string(12) "外圍股指" [1]=> string(18) "納斯達克指數" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }