Vale vs. Rio Tinto: Which Mining Stock is the Smarter Buy?

Key Takeaways Rio Tinto shows a stronger outlook with rising earnings estimates and diversified growth projects.RIO's copper output rose 11% in 2025, with Oyu Tolgoi ramp-up driving long-term growth.Rio Tinto expands into lithium, targeting over 200 kt LCE capacity by 2028 via Arcadium deal.VALE S.A (VALE) and Rio Tinto (RIO) rank among the world’s largest iron ore producers and diversified miners, making them direct competitors in the global metals and mining sector. Apart from iron ore, Vale S.A also prod ...