Shares of mining companies Freeport-McMoran and Joy Global have plunged 35% and 28% this month, respectively. That makes them the worst performers in the entire S&P 500 in July.
Read More...Shares of mining companies Freeport-McMoran and Joy Global have plunged 35% and 28% this month, respectively. That makes them the worst performers in the entire S&P 500 in July.
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