Sept. 29 (Bloomberg) -- Commodities extended their decline on concern Europe’s sovereign-debt crisis will hurt global growth and reduce demand for industrial raw materials.

Copper for three-month delivery fell as much as 5.9 percent to $6,821 a metric ton on the London Metal Exchange and traded at $6,900 a ton at 9:03 a.m. Singapore time. Zinc shed 4.7 percent and rubber in Tokyo fell 4.6 percent.

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