The Materials Select Sector SPDR Fund Experiences Big Outflow
June 04, 2019 at 10:58 AM EDT
Symbols mentioned in this story: XLB, ECL, APD, DOW 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..