S&P 500 Movers: CHK, FCX
July 21, 2015 at 10:20 AM EDT
In early trading on Tuesday, shares of Freeport-McMoRan Copper & Gold (FCX) topped the list of the day's best performing components of the S&P 500 index, trading up 4.8%. Year to date, Freeport-McMoRan Copper & Gold has lost about 32.5% of its value.