iShares U.S. Healthcare Providers ETF Experiences Big Outflow
November 16, 2015 at 13:07 PM EST
Symbols mentioned in this story: IHF, ESRX, AET, ANTM Exchange traded funds (ETFs) trade just like stocks, but instead of ''shares'' investors are actually buying and selling ''units''. These ''units'' can be traded back and forth just like stocks, but can also be created or destroyed to accommodate investor demand..