Investors stung by the sell-off in gold are going to need more than cheap equities and stabilizing bullion prices to wade back into mining-company stocks.
The U.S. Treasury in April imposed sanctions against billionaire Oleg Deripaska and eight companies in which he is a large shareholder, including aluminum exporter Rusal, in response to what it termed "malign activities" by Russia.
Pumpkin Hollow goes into production next year, but the underground mine is only the first phase of a planned Nevada copper operation four times the size.