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The Wall Road Journal: Aluminum costs hit a decade excessive after the coup in Guinea

Aluminum prices rose to their highest level in 10 years on Monday after a military coup in mineral-rich Guinea threatened to thwart the light metal's supply chain.

Three-month aluminum futures contracts on the London Metal Exchange rose 0.9% to $ 2,757 per ton, the highest level since early 2011.

The shares of mining companies and aluminum producers also rose. Hong Kong listed shares of Russia's United Co. Rusal
486,
+ 14.45%
rose over 14% to close on Monday, while Aluminum Corporation of China Ltd. rose by over 5%. The Australian bauxite miner South32 Ltd. gained 2.1% in Sydney.

A faction in the Guinean military said on Sunday that it had suspended the country's constitution and arrested President Alpha Cond̩. The West African nation is a major global supplier of bauxite Рcritical to the production of aluminum Рand iron ore.

An expanded version of this story is available on WSJ.com

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