Notable ETF Inflow Detected - XBI, IONS, BMRN, ANAC
June 23, 2016 at 10:49 AM EDT
Symbols mentioned in this story: XBI, IONS, BMRN, ANAC 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..