In trading on Thursday, the Silver Miners ETF is outperforming other ETFs, up about 4% on the day. Components of that ETF showing particular strength include shares of Endeavour Silver, up about 7.1% and shares of Coeur Mining, up about 6.5% on the day.

And underperforming other ETFs today is the Invesco China Technology ETF, down about 1.5% in Thursday afternoon trading. Among components of that ETF with the weakest showing on Thursday were shares of Weibo, lower by about 2.7%, and shares of Momo, lower by about 1.1% on the day.