Rio Tinto (RIO, Financial), the world's second-largest mining company, has received board approval for its 6.7billioncashacquisitionofArcadiumLithium(ALTM).ThisstrategicmoveaimstopositionRioTintoasaleadingproducerofcriticalbatterymaterials.ThecompanyannouncedplanstopurchaseArcadiumLithiumat5.85 per share, representing a 90% premium over Arcadium Lithium's closing share price on October 4th, before Rio Tinto confirmed its bid. CEO Jakob Stausholm remarked that this acquisit ...