Copper prices on New York’s Comex experienced a significant slump following comments from Chilean Finance Minister Mario Marcel regarding a proposed US tariff on the metal. Marcel indicated that Chile would actively seek an exemption from the planned tariff. Copper prices fell as much as 6.2 per cent, reaching $US5.4265 a pound, before recovering slightly. The United States relies on imports for approximately half of its copper supply, with Chile being the primary source. The copper market is currently on edge due to an impending August 1 tariff deadline set by former President Donald Trump. Earlier this month, Trump ... (full story)