USA Rare Earth Inc.（USAR）今日盘中股价大幅下跌15.59%，引发了市场的高度关注。
消息面上，据多家财经媒体报道，特朗普政府正在考虑放弃为美国关键矿产项目提供最低价格保障的计划。这一政策方向的转变，标志着政府对行业此前承诺的潜在逆转，可能使USA Rare Earth等稀土及战略矿产企业未来盈利的确定性下降，更直接地暴露于国际市场价格波动的风险之中，从而引发了投资者的普遍担忧和抛售。
受此政策变动消息影响，美国稀土概念股及多家战略矿产公司在盘前及盘中交易中均出现普遍下挫，反映出市场对产业政策连续性的高度敏感。
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