In a major twist for the mining industry, Glencore has halted merger discussions with Rio Tinto after unresolved valuation issues. Concurrently, Rio Tinto showcased robust financial results, with an 8% growth in copper equivalent production and a 9% rise in underlying EBITDA, totaling $10.9 billion. The company plans to return 60% of its earnings, amounting to $6.5 billion, to shareholders, while grappling with a $14.4 billion spike in net debt and operational challenges at its Simandou site.