Tiny Copper ETF Rockets 109% as AI Data Centers Fuel Mining Boom

Core Insights - The Sprott Junior Copper Miners ETF (NASDAQ:COPJ) achieved a remarkable 109% gain in 2025, establishing itself as one of the top performers of the year [1] Group 1 - The fund's value increased from $37 million, indicating significant growth and investor interest in junior copper mining [1]