COPJ - Why Trump's Copper Tariffs Will Hurt U.S. Industry And Help China July, 10 2025 12:10 AM Sprott Junior Copper Miners ETF 2025-07-10 00:10:00 ET By Peter C. Earle A sweeping 50 percent tariff with no timeline or exemptions risks weakening US industry and straining key trade ties. ... For further details see: Why Trump's Copper Tariffs Will Hurt U.S. Industry And Help China