ETF Channel Staff - Thursday, June 30, 2:11 PM

Launch related slideshow:
The 10 Worst ETF Performers »

The iShares U.S. Oil Equipment & Services ETF is seeing unusually high volume in afternoon trading Thursday, with over 3.9 million shares traded versus three month average volume of about 553,000. Shares of IEZ were off about 1.5% on the day.

Components of that ETF with the highest volume on Thursday were Transocean, trading down about 3.9% with over 9.5 million shares changing hands so far this session, and Schlumberger, up about 0.3% on volume of over 7.8 million shares. Dril-quip is the component faring the best Thursday, up by about 1.1% on the day, while Valaris is lagging other components of the iShares U.S. Oil Equipment & Services ETF, trading lower by about 5.3%.