China's copper stockpiles weigh on industry

Is Chinese copper demand faltering? For the hundreds of miners, smelters, fabricators, bankers and hedge fund managers gathered this week for the industry's big annual conference in Santiago, that is a market-moving question. After an impressive bull run that has taken copper to all-time highs of more than $10,000 a tonne, inventories of the red metal are piling up in Chinese warehouses. Prices

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