Notable ETF Outflow Detected - BBH, ALXN, REGN, BMRN
November 14, 2014 at 10:57 AM EST
Symbols mentioned in this story: BBH, ALXN, REGN, BMRN 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..