Commodities Corner: Copper prices top $4 a pound for the first time in over 9 yearsMarket Watch • 02/19/21
The United States Copper Index Fund: Tug Of War Between Headwinds And TailwindsSeeking Alpha • 10/23/20
The Tell: Copper's ‘unignorable' strength is saying bullish things about the economy — but there's a catchMarket Watch • 10/22/20