Please click through to this great visual produced by Dimensional Fund Advisers. It shows information on market returns through the many recessions that we have experienced in the last 100 years. It demonstrates the forward-looking nature of markets and how developing an investment strategy that suits your personal objectives, and sticking to it through market volatility can not only produce better returns, but hugely improve your investment experience and your relationship with the stock market.

Dimensional - Market Returns Through a Century of Recessions