In trading on Tuesday, the Oil Services ETF (OIH) is outperforming other ETFs, up about 1.6% on the day. Components of that ETF showing particular strength include shares of Tenaris (TS), up about 5.2% and shares of Oil States International (OIS), up about 4.2% on the day.

And underperforming other ETFs today is the iShares PHLX Semiconductor ETF (SOXX), off about 1.7% in Tuesday afternoon trading. Among components of that ETF with the weakest showing on Tuesday were shares of Cypress Semiconductor (CY), lower by about 6.2%, and shares of Microchip Technology (MCHP), lower by about 4.2% on the day.