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.
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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…




