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近月6月期铜合约收跌0.7%或2.15美分，至每磅3.0250美元。
交投最活跃的7月合约收低1.9美分，至每磅3.0215美元。
对与美国爆发全面贸易战的忧虑加剧对中国经济前景的担忧，之前公布的5月经济成长数据不及预期。期价已经自本月初触及的年内高位回落8.1%。
国际铜业研究组织(ICSG)周三发布最新月报显示，今年3月全球精炼铜市场供应过剩5.5万吨，2月为过剩8.7万吨。与此同时，数据显示中国5月精炼铜产量同比增长15.5%。
