The VanEck Vectors Pharmaceutical ETF is seeing unusually high volume in afternoon trading Wednesday, with over 984,000 shares traded versus three month average volume of about 196,000. Shares of PPH were up about 0.8% on the day.

Components of that ETF with the highest volume on Wednesday were Pfizer, trading up about 1.1% with over 14.8 million shares changing hands so far this session, and Valeant Pharmaceuticals, up about 3.8% on volume of over 14.1 million shares. Endo International is the component faring the best Wednesday, higher by about 6.5% on the day, while Merck is lagging other components of the Pharmaceutical ETF, trading lower by about 0.8%.

For MarketNewsVideo.com, I'm Sayoko Murase.