Ero Copper is trading 5.3% up at $37.94, mainly as elevated copper prices and strengthening materials stocks support the sector.
- The move extends its 5.69% gain on August 20, 2026.
- Copper’s rally has been linked to declining smelter feedstock availability and production disruptions amid tightening supply concerns.
- No new company-specific announcement was identified for August 21, 2026; the advance reflects commodity exposure and favorable mining-sector momentum, not a fresh catalyst.