9月14日，必和必拓盘前下跌3.02%，报84.52美元/股，成交额45.96万美元。
消息面上，美国铜关税政策不确定性持续发酵。此前有报道称白宫尚未决定是否对精炼铜征收关税，政府正权衡扶持本土铜产业与推高制造成本之间的利弊，导致国际铜价大幅跳水，LME期铜一度跌超3%、COMEX期铜跌超4%。铜价在此前突破14533美元/吨历史新高后急速回落，市场多空博弈加剧。此外，必和必拓黑德兰港工资谈判仍未达成协议，劳资纠纷的不确定性亦构成短期扰动。多种金属与采矿行业整体走弱，力拓跌2.96%，泰克资源跌3.16%，铜相关个股普遍承压。
（以上内容均基于市场公开消息，由程序或算法智能生成，仅作为股价异动提醒，不作为投资建议或交易依据。）
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