South32 stock jumps as copper hits record highs — what investors watch before the Jan. 22 update
South32 shares jumped 3.3% to A$3.78 on Tuesday, outperforming the S&P/ASX 200, which fell 0.5%. Copper prices surged above $13,000 a ton on supply disruption headlines, boosting mining stocks. South32 will report quarterly results on Jan. 22 and half-year earnings on Feb. 12. The company plans to idle its Mozal aluminium smelter in Mozambique by March 2026, citing failed power talks and a $60 million charge.