Mining giant Rio Tinto in talks to buy U.S. lithium producer Arcadium CNBCLithium miner Arcadium confirms Rio Tinto takeover approach Yahoo FinanceLive: ASX opens 0.1pc higher after surprise US job data sent Wall Street higher, Rio Tinto confirms takeover bid of lithium miner ABC NewsRio Tinto Confirms It’s Made an Approach to Buy Arcadium Lithium Bloomberg