Copper was fluctuating in pre-market trading on the London Metal Exchange on Friday as a stronger dollar offset bullish support from the continuing industrial action at the Escondida mine in Chile Copper was fluctuating in pre-market trading on the London Metal Exchange on Friday as a stronger dollar offset bullish support from the continuing industrial action at the Escondida mine in Chile. Three-month copper traded at $9,812.25 at 10:28 BST, down from an opening price of $9,822.5 per tonne. The red metal had earlier hit an intraday high of $9,895 per tonne during Asian trading hours as markets there responded...

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