There are some important rules on how not to invest - don't commit these sins. By Teena Lyons.
Do you do your homework before parting with your hard-earned cash or are you the sort of investor who chooses a stock because you like the sound of the company's name?

According to Justin Urquhart Stewart of portfolio manager Seven Investment Management, while everyone has firm ideas on how to invest using a range of techniques to select their stocks, there are also some important rules on how not to invest.

He calls them the seven deadly sins of investing - and failure to resist them could have a dramatic affect on your wealth.