This theory could change the way you invest - if it's true
Many investors believe the 'efficient markets hypothesis' is at the heart of how stock markets work. Ed Bowsher explains what it is - and whether it holds water.
Many financial professionals are firm believers in the efficient markets hypothesis. They believe the theory is at the heart of how stock markets work.
So in this video, I take a look at the theory and see why Warren Buffett isnt a fan. I also look at whether you should change the way you manage your money as a result of the theory.