Glencore, Rio Tinto
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Booming demand for copper is driving a spate of mining megadeals, in a rush to secure more of a metal essential to powering artificial intelligence. Rio Tinto and Glencore said late Thursday that they are in talks to create what would be the world’s largest mining company, with a market value of more than $200 billion.
Ninth Circuit judges appeared to grapple Wednesday during oral arguments with the potential harms of their decision on whether to allow the transfer of sacred tribal land in Arizona to Resolution Copper for its mining project.
An announcement from Rio Tinto ( ($RIO) ) is now available. In a Form 6-K filed for December 2025 and signed on 5 January 2026, Rio Tinto outlined