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

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

By Austin Smith
Publication Date: 2026-06-08 11:14:00

Quick Read

  • COPJ fell 11% in one session yet retains a 93% one-year return, as junior miners structurally amplify copper price moves 2x to 3x.

  • Broadcom’s lighter Q3 AI revenue guidance threatened the hyperscaler data center buildout that has become copper’s fastest-growing demand engine.

  • Watch hyperscaler capex commentary next earnings. If others echo Broadcom’s caution, the AI demand premium baked into junior miner valuations faces real repricing.

  • It sounds nuts, but SoFi is giving new active invest users up to $1,000 in stock for a limited time, and all it takes is a $50 deposit to get started. See for yourself (Sponsor)

If you owned Sprott Junior Copper Miners ETF (NASDAQ:COPJ) on Friday morning, you watched it open near $45.37 and close at $40.37, an 11% single-day tumble on June 5, 2026. A $10,000 stake at Thursday’s close became roughly $8,900 by Friday’s bell. For a fund that returned 93% over the prior twelve…