Watch CNBC's full interview with Freeport-McMoRan CEO Kathleen Quirk

Kathleen Quirk, Freeport-McMoRan CEO, joins 'Closing Bell Overtime' to talk the impact of tariffs, copper mining, copper futures and more.

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Kathleen Quirk, Freeport-McMoRan CEO, joins 'Closing Bell Overtime' to talk the impact of tariffs, copper mining, copper futures and more..