Rio Tinto (ASX: RIO) share price today, 21 November 2025: stock slides on alumina cuts and green steel shake‑up
Rio Tinto shares fell nearly 3% to A$128–129 on Friday, 21 November 2025, after news of alumina output cuts at Yarwun and a shift in green steel strategy. The stock remains about 12% higher year to date but trades 5% below its 52-week high. Investors cited concerns over bulk commodity demand and company-specific developments. Volume on Thursday topped 1.1 million shares.