Wednesday's ETF Movers: FCG, PSI

In trading on Wednesday, the First Trust Natural Gas ETF is outperforming other ETFs, up about 3.5% on the day. Components of that ETF showing particular strength include shares of W&T Offshore, up about 8.5% and shares of Ring Energy, up about 8% on the day.

And underperforming other ETFs today is the Invesco Semiconductors ETF, off about 5.6% in Wednesday afternoon trading. Among components of that ETF with the weakest showing on Wednesday were shares of Onto Innovation, lower by about 10.3%, and shares of KLAC, lower by about 9.2% on the day.