北向資金凈流入超50億元

array(1) { [450156]=> array(2) { [2]=> array(4) { [0]=> string(12) "主力動向" [1]=> string(12) "外資買賣" [2]=> string(12) "北上資金" [3]=> string(12) "資金流入" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }