Carl Icahn acquires stake in Freeport-McMoRan By: MarketMinute.com Stock News August 28, 2015 at 17:45 PM EDT Activist investor Carl Icahn acquired a 8.5% stake in Freeport-McMoRan Inc. (NYSE: FCX). The stock price rose 31 cents to close at $10.50. Related Stocks: Freeport-McMoRan