美股开盘：三大股指集体低开 推特跌超5%

array(1) { [411498]=> array(2) { [2]=> array(2) { [0]=> string(7) "Twitter" [1]=> string(6) "低开" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }