美股走低，道指轉跌

array(1) { [430840]=> array(2) { [2]=> array(2) { [0]=> string(12) "外圍股指" [1]=> string(15) "道瓊斯指數" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }