Friday's ETF Movers: COPX, NXTG
In trading on Friday, the Global X Copper Miners ETF is outperforming other ETFs, up about 4.2% on the day. Components of that ETF showing particular strength include shares of Trekor Metals, up about 7% and shares of Ero Copper, up about 4.8% on the day.
And underperforming o