I remember reading in a personal finance book that the stock market is like a perfectly predictable person over the long term, and like addict suffering from severe withdrawal in the short term. The comparison was made to establish the fact that it is near impossible to predict what direction the market is going to take in the short term, because it can go in any direction, and be influenced by absolutely anything. This volatility is seen by some as a risk that is not worth taking, and by others as an amazing opportunity to make some quick money.
Where most people fail when it comes to making money in short term trading, it is that there is a learning curve before you have enough knowledge to make the quick money. In other words, the quick money is not really that quick. You are not going to turn into an expert stock picker overnight. You are going to need a pretty good understanding of how the stock market works, and you also have to keep your emotions in check and not let greed make you throw caution away. » Read more: Keys to Short Term Trading Success