由于美元走弱，投资者权衡美国政府潜在关门风险，黄金价格创下历史新高。
期货价格上涨超过1%，达到每盎司3853美元，创下历史新高。
其他贵金属也出现上涨。银期货涨至14年多来的日内最高水平。
用于汽车催化转换器的铂金合约触及12年多来的日内最高水平。
MUFG商品分析师Soojin Kim表示，政府关门"可能推迟关键就业数据发布，并给美联储货币政策路径蒙上阴影"。
9月就业数据定于周五发布。令人失望的数据将支持进一步降息的理由，并可能使黄金更具吸引力。
在央行购买和黄金支持的交易所交易基金强劲资金流入推动下，黄金价格今年已上涨超过45%。
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