Random walk theory holds that short-term and mid-term price movements of a specific stock appear to be random and thus are unpredictable. Using a share price's past movements, for example, is an ...

Random walk theory has been met with critics who believe that there are ways to predict stock prices and outperform using various techniques. It nonetheless remains a widely accepted theory in the ...

The random walk hypothesis punches holes in technical analysis theories and informs John Bogle's index fund strategy. S&P 500 +---% | Stock Advisor +---% Join The Motley ...

A follower of random walk theory might conclude that an index fund is the best choice as individual stock prices are utterly random. Learn how to use this as an investor.