Rio Tinto in Talks to Acquire Arcadium Lithium The Wall Street JournalMining giant Rio Tinto in talks to buy U.S. lithium producer Arcadium CNBCArcadium Lithium stock soars as report of Rio Tinto acquisition bid is confirmed MarketWatchLithium Stocks Surge on Report Rio Tinto May Be Considering Acquisition InvestopediaLive news: Rio Tinto makes approach to acquire Arcadium Lithium Financial Times