Rio Tinto said on Wednesday it would acquire Arcadium Lithium for $6.7 billion, in an agreed all-cash deal that would make it one of the world's largest lithium producers. Rio said it would pay $5.85 per share for the U.

Australian investors say Argentina’s pro-business government and links to North American markets outweigh the nation’s reputation for sovereign risk.

Rio Tinto said it has agreed to a $6.7 billion takeover of Arcadium Lithium, propelling it into the ranks of the top producers of a key commodity used in batteries for electric vehicles.