LME期铜收跌68美元，报7690美元/吨

array(1) { [439826]=> array(2) { [2]=> array(2) { [0]=> string(11) "美元(USD)" [1]=> string(6) "LME铜" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }