镍业巨头已将大空头头寸削减一半以上

array(1) { [386788]=> array(2) { [2]=> array(5) { [0]=> string(12) "龙头企业" [1]=> string(12) "商品期货" [2]=> string(6) "头寸" [3]=> string(9) "镍期货" [4]=> string(6) "空头" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }