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Shares of USA Rare Earth jumped in extended trading Thursday, after CEO Barbara Humpton told CNBC that the rare earth miner is "in close communication" with the White House.

Humpton's comment comes after the Trump administration took a 5% equity stake in Lithium Americas this week. The Defense Department took a 15% stake in rare earth miner MP Materials in July.

"We are in close communication with the administration," Humpton told CNBC's Morgan Brennan when asked whether USA Rare Earth was interested in a deal with the Trump administration. Stock Chart Icon Stock chart icon

USA Rare Earth stock year to date.

USA Rare Earth shares were last up about 8% after hours. Its stock gaine

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