Market Chatter: Rio Tinto Reportedly Signs New Supply Deal with China's Iron Ore Buyer CMRG

11:11 AM EDT, 10/21/2026 (MT Newswires) -- Rio Tinto Group (RIO.L) secured a new supply agreement from state-owned iron ore buyer China Mineral Resources Group, or CMRG, Reuters reported Wednesday, citing people with knowledge of the matter. CMRG reportedly told some steel mills about the deal with the mining giant, but further details were not disclosed, the sources added. Rio Tinto did not immediately respond to a request for comment from MT Newswires. (Market Chatter news is derived from conversations with market professionals globally. This information is believed to be from reliable sources but may include rumor and speculation. Accuracy is not guaranteed.)