South32 (ASX: S32) Stock on 4 December 2025: Share Price, Cerro Matoso Exit, New ESG Director and 2026–2028 Outlook
South32 shares rose to A$3.53 on the ASX on 4 December 2025, up about 4–5% intraday, following confirmation of the Cerro Matoso nickel refinery sale in Colombia for up to US$100 million. The company also appointed Geoff Healy as an independent director, citing his climate and sustainability experience.