And underperforming other ETFs today is the iShares Future Exponential Technologies ETF, off about 7.9% in Tuesday afternoon trading. Among components of that ETF with the weakest showing on Tuesday were shares of Pfizer, lower by about 4.5%, and shares of Guardant Health, lower by about 3.4% on the day.
VIDEO: Tuesday's ETF Movers: ARKF, XT
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