Ero Copper is trading 8.33% higher at $35.23 in pre-market, with firmer copper prices providing the clearest sector backdrop.
- No new company-specific announcement explaining the move was found.
- Overnight copper rose, with coverage citing tight supply and improved sentiment.
- Copper also gained more than 1% Tuesday amid AI optimism and supply pressure, pointing to a copper-sector catalyst rather than a confirmed company-specific event.