Ero Copper is trading at $26.65 (+5.43%) in pre-market as the stock rebounds from a sharp regular-session decline on July 29.

  • The move appears tied to a technical recovery and extended-hours volatility rather than a new company announcement.
  • Broader materials stocks are also firmer, with the Materials sector up 1.85% in pre-market, providing additional support.
  • No clear company-specific catalyst has emerged yet to justify the price action.