And underperforming other ETFs today is the ARK Genomic Revolution ETF, down about 4% in Thursday afternoon trading. Among components of that ETF with the weakest showing on Thursday were shares of Personalis, lower by about 9.9%, and shares of Adaptive Biotechnologies, lower by about 9.9% on the day.
VIDEO: Thursday's ETF Movers: XOP, ARKG
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