Broadcom Sneezed and COPJ Investors Lost 11% In A Day And Learned That Copper's AI Story Has a Pause Button

Sprott Junior Copper Miners ETF (NASDAQ:COPJ) fell 11% in a single session, opening near $45.37 and closing at $40.37 on June 5, 2026. The move points to sharp downside pressure in junior copper miners and weaker sentiment toward copper-related assets. The article provides no catalyst, but the magnitude suggests a meaningful price shock for the ETF.

Analysis

Sprott Junior Copper Miners ETF (NASDAQ:COPJ) fell 11% in a single session, opening near $45.37 and closing at $40.37 on June 5, 2026. The move points to sharp downside pressure in junior copper miners and weaker sentiment toward copper-related assets. The article provides no catalyst, but the magnitude suggests a meaningful price shock for the ETF.