美股开盘：道指低开约50点 滴滴大跌20%

array(1) { [376820]=> array(2) { [2]=> array(4) { [0]=> string(12) "外围股指" [1]=> string(15) "道琼斯指数" [2]=> string(12) "滴滴出行" [3]=> string(6) "低开" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }