Let’s say you were to fall sick and visit a doctor. He prescribes you some medicine. Suppose you are unhappy with this doctor’s diagnosis and wanting a second opinion. Thus, you visit another doctor who gives an identical diagnosis and prescribes the same medicine. Still not satisfied, assume you visit eight more doctors and all prescribe the same course of medicine. What should you do under these circumstances? The logical course for you will be to take the prescribed medicine. Doing anything else is likely to be foolish as you would be jeopardizing your health. If all doctors agree on the proper medicine for you, then it is logical that you should take that medicine. Now let’s change the circumstances. Suppose you were to visit ten investment gurus and all agree that you should buy ...