Monday's ETF Movers: IEZ, GDX

In trading on Monday, the iShares U.S. Oil Equipment & Services ETF (IEZ) is outperforming other ETFs, up about 0.2% on the day.  Components of that ETF showing particular strength include shares of Tetra Tech (TTI), up about 4.8% and shares of Diamondback Energy (FANG), up about 2.1% on the day.