With the uncertain economy, prices for metals like gold and copper are falling : The Indicator from Planet Money When in doubt, count on the price of metals like copper and gold to predict the economy. But what magical forces are driving prices in the metal market down?

The alchemy behind falling metal prices

The alchemy behind falling metal prices

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TOPSHOT - A worker polishes gold bullion bars at the ABC Refinery in Sydney. DAVID GRAY/AFP via Getty Images hide caption

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DAVID GRAY/AFP via Getty Images

TOPSHOT - A worker polishes gold bullion bars at the ABC Refinery in Sydney.

DAVID GRAY/AFP via Getty Images

The best economic fortune tellers are back in town. Amongst traders, metals are known for their ability to forecast turning points. When the economy is doing well, prices of base metals like copper rise. On the opposite side of the coin, prices of precious metals like gold fall.

But what happens when both copper and gold prices spiral down? Find out the magical forces causing this out-of-the-ordinary trend in today's uncertain economy.

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