Mining giant Rio Tinto in talks to buy U.S. lithium producer Arcadium
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Mining giant Rio Tinto in talks to buy U.S. lithium producer Arcadium

This is a photograph of a Rio Tinto mining helmet taken on 2 Jun. 2020.Aaron Bunch | Getty ImagesThe world's second-largest miner Rio Tinto expressed interest in acquiring U.S. lithium producer Arcadium, the two companies…