Rio Tinto is set to acquire the chemical producer Arcadium Lithium in a $6.7bn (£5.12bn) deal. The multinational mining behemoth announced the all-cash transaction this morning and called the acquisition of the global business a “significant step forward”. It amounts to $5.85 per share, and a premium of 90 per cent on Arcadium’s closing price of $3.08 per share on 4 October, Rio Tinto said. Arcadium’s capabilities include lithium chemical manufacturing and extraction processes, hard-rock mining, conventional brine…
