美股周五早盘，美国煤炭及矿产资源开采与开发企业Ramaco Resources（METC）股价下跌7.8%。尽管贝雅将该股评级定为“买入”，但未能阻止该股走低。

　　贝雅称上调该公司评级的理由是考虑到该公司在美国稀土经济中的潜力，预测该公司将处于有利地位，可以从美国建设关键矿物国内生产能力的努力中受益。

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