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Copper Rises Most in Six Weeks as Freeport Halts Grasberg Output

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Copper futures jumped the most in six weeks after Freeport-McMoRan Inc. halted production at Indonesia’s Grasberg, the world’s second-largest mine for the metal by capacity.

About 50 workers blocked access to a road to the mine for the fourth straight day, and output was suspended starting Monday, while shipments from inventories continued. Freeport is the largest publicly traded copper producer.