美股开盘：三大股指集体高开 热门中概股多数走低

array(1) { [466831]=> array(2) { [2]=> array(2) { [0]=> string(6) "高开" [1]=> string(9) "中概股" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }