British-Australian multinational mining and metals company Rio Tinto and global lithium producer Arcadium Lithium, headquartered in Ireland, have made an agreement under which Rio Tinto will acquire Arcadium in an all-cash transaction for $5.85 per share.  The deal will bring Arcadium’s lithium business into Rio Tinto’s portfolio of commodities that include aluminum, copper, high-grade iron… Read more…