8月19日，泛美白银盘中上涨5.95%，报49.205美元/股，成交额2162.12万美元。
消息面上，美国财政部宣布将较长期限名义附息国债的流动性支持回购操作单次最高规模至少提高一倍，至少40亿美元，自9月9日起生效。受此影响，30年期美债收益率短时跌8个基点至5.19%，现货黄金大涨突破4400美元/盎司，现货白银涨超2.7%报65.01美元/盎司。贵金属价格飙升带动矿业板块全线走强，同行业个股中，科尔黛伦矿业涨8.16%，纽曼矿业涨6.92%，伊格尔矿业涨6.59%，金罗斯黄金涨6.36%，Barrick Mining涨5.82%。
（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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