Minneapolis is working to replace 20 miles of street lights damaged by copper thieves, and the city said it is using aluminum instead of copper this time around.

Demand for copper will probably grow as new technologies arise. Find out Benzinga’s picks for the best copper stocks in this article.

San Manuel Mine was once the world’s largest underground copper mining operation in size of ore body, production capacity and infrastructure.

But the company reporting the most releases said its estimate is erroneously high, though it hasn't provided new numbers.

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