Share TRADING is a very risky business, and meant for professional traders who understand how the price movement takes place. For ordinary people it is wise to INVEST in mutual funds for LONG TERM at regular investment with an eye to buil wealth. Once you get some understanding of the market you could buy good stocks at regular intervels.

Greed and Panic are two situations one has to avoid.

My personal experince is that whenever I tried to trade, I lost money and when every I invested for long time, made profit :)

You may start reading books like Intelligent Investor
by Benjamin Graham.