Can investors consistently time the market? Will you be able to tell when to buy or sell? In this video, Jim Davis from Dimensional Fund Advisors runs more than 780 tests on data from 15 stock markets to see what the evidence says.

Wouldn’t it be great to know in advance whether the stock market will rise or fall and position ourselves to profit from it? In reality, nobody can get it right - not even the giants in investing. We show why it is detrimental to one’s health and wealth to play this fool’s game.