From defense systems to data systems, copper is everywhere. But U.S. tariffs have created a volatile pricing and supply chain environment for the metal. In March of this year, following an executive order from President Trump, the United States launched a Section 232 investigation to examine national security and economic resilience risks given the large dependence on imports of critical minerals in the United States. This investigation covers dozens of metals, including copper, aluminum, lithium, nickel, and platinum group metals (PGMs) such as platinum, palladium, and rhodium. While tariffs have been announced for ... (full story)