Star Copper is trading 11.2% up at $0.58, with no verified direct catalyst identified.
- The stock is continuing a strong advance from $0.44 on July 31, 2026.
- No verified company-specific announcement dated August 12, 2026 was identified, and MarketWatch reported no available headlines.
- Copper prices were modestly higher, while broader U.S. markets gained after inflation data met expectations; available evidence does not establish a direct catalyst.