And underperforming other ETFs today is the VanEck Oil Service ETF, off about 2.5% in Wednesday afternoon trading. Among components of that ETF with the weakest showing on Wednesday were shares of Propetro Holding, lower by about 15.4%, and shares of Expro Group Holdings, lower by about 8% on the day.
VIDEO: Wednesday's ETF Movers: XBI, OIH
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