Rio Tinto’s Output Jump Comes With a Supply-Chain Warning Investors Can’t Ignore
Rio Tinto’s first-quarter iron ore production in Pilbara rose 13% to 78.8 million tons, while copper output climbed 9% to 229,000 tons. The company kept 2026 guidance unchanged but warned of limited visibility on supply-chain risks from the Middle East conflict. London shares closed up 2.3%. Bauxite output fell 11% after weather disruptions in Australia.