Business Rio Tinto agrees to $6.7 billion Arcadium deal. Why it’s buying the dip in lithium. By The Bharat Express News - October 9, 2024 0 FacebookTwitterPinterestWhatsApp Rio Tinto agrees to $6.7 billion Arcadium deal. Why it’s buying the dip in lithium. See also Why Britain is staying the distance as the West battles cheap Chinese electric cars