[SMM BC Copper Commentary: Weak US Dollar Shakes BC Copper, Slight Increase]
SMM Dec 21 news: Today, BC copper main 2402 contract opened at 61,350 yuan per ton, closed higher, with the Bollinger upper track passing through the column. Overnight, the BC copper main 02 contract opened at 61,230 yuan per ton, touching the bottom and running in a wide range of fluctuations...

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