Explorers lead Materials week as gold and nickel results drive big gains

• Sentinel Metals rose 37.50% after a broad, high-grade gold result at Columbia.
• Western Mines Group gained 34.78% after lifting Mulga Tank’s contained nickel estimate to 7.2 million tonnes.
• Turaco Gold added 20.47% after securing A$120 million to buy the remaining 20% of Afema.
• Catalyst Metals fell 17.47% after cutting FY27 gold production guidance.