Greetham gears up for positive decade for stocks

The positive outlook continues the momentum of 2009 which saw stocks rally, according to Trevor Greetham, Fidelity's director of asset allocation and manager of the company's multi asset funds. Citing the mean reversion theory - a phenomenon whereby a quantity returns to its average over a given time despite fluctuations - Greetham compares the last decade to similar periods of dislocation in stock markets, such as the Great Depression. He argues governments' monetary policies helped make 2009 one of the best in the last century for stocks, building a springboard for 10 years of str...