Hudbay Minerals acquires Arizona Sonoran Copper in an all-share deal valued at US$1.48 billion, adding the Cactus project in Arizona and creating the third largest copper district in North America.
US Critical Minerals Stocks: 42 Companies
42 US critical minerals stocks with mining or processing assets in uranium, copper, rare earths, lithium, graphite, aluminum and nickel. Updated November 3, 2026.
Ivanhoe Electric and SQM Partner for Chile Copper Exploration
Ivanhoe Electric and SQM sign a Typhoon-driven collaboration agreement to explore 2,002 km² in Chile for copper, with SQM funding at least $9 million over three years.
The Copper-to-Aluminum Ratio: Implications for Investors
Understand how metal substitution works in practice. This explainer covers BHP’s updated 3.5-4x copper-aluminum ratio threshold, historical precedent from the 1970s crisis, and investment implications for both copper and aluminum stocks.
Anglo American and Teck Resources Merge to Form Global Copper Champion
Anglo American and Teck Resources announce an all-stock merger of equals creating Anglo Teck, targeting $800M in annual synergies and 70%+ copper exposure. Transaction expected to close within 12-18 months.
Copper ETFs
The complete list of every US-listed copper ETF — miners, junior, futures and 2x funds — with fees, holdings, tax structure and key risks.