Success is not guaranteed. You may also be able to outperform if you have information superiority, but those who have superior information are often the industrial and commercial material, non-public information is considered a serious insider trading crime. Some investors through what appear to be excellent analytical skills made a fortune. Like Peter Lynch and Warren Buffett, families have achieved their success by selecting individual stocks. There are more people you've never heard of such a strategy for trying and failing. Even the most professional fund managers cannot beat the market, although this is not a popular theory, Lynch and Warren Buffett might just be very lucky, even financial wizards. In fact, highly respected economists demonstrate that it is possible to run a portfolio of randomly selected securities, as well as a careful combination. Is it possible to beat the market? "Playing the market" means trying to obtain a greater return on investment than the S&P500 index, one of the most popular US stock market trends