non profitable company Western economists further point out that the main factor that leads to the difference between trading costs in markets and businesses is the incompleteness of information. Because of the incompleteness of the information. Any party of a contract will be trying to collect, information and access to what they didn't have to monitor each other's behavior, and try to constraints, and afterwards to punish in advance of each other's default behavior and so on. All these practices produce transaction costs. As a result of these practices in the market and the enterprise can take different forms, so the corresponding transaction costs is not the same, in particular, under the condition of asymmetric information, in the process of market transactions, transaction cost, as a result of these practices are often very high. Therefore, through the organizational form of enterprises, some market transactions can be internalized to eliminate or reduce the high transaction costs generated by some market exchanges. By the third stage, the main way to learn is to practice and understand. It is not only the practice and understanding of trading, but also the practice and understanding of life. You will realize that the market is just a person, you are dealing with the market, in fact is dealing with a person with deep connotation. When you have a new understanding, you will be the original thought fully understand what you have a new understanding, including your original have no way of technical indicators and way to trade, and analysis. Everyone is contributing to the market. Everyone is working hard for their profits. Everyone has something to learn. At this time, your study is mainly to communicate with people, exchange ideas, experience, experience, even personality. Don't limit yourself to trading and market study. Learn and improve by learning how to get along with people and get along with others. This is the learning of roots. Through this kind of study form atmosphere, calm, objective, face, easy. Atmosphere, calm, objective and face, easy to deal the importance of needless to speak, this style does not come in through the technical behavior can achieve and implementation, nor by increasing your ability to forecast analysis and money management can achieve. Before 2004, I didn't care about the fundamentals, and I didn't think the fundamentals were useful. However, in 2005, I found myself wrong, not in the fundamental way, but in the fact that I didn't use it at all. In 2005, several large transactions were conducted through basic analysis, which was far better than pure technical analysis. Fundamentals can analyze the market, and it is concluded that the approach of interval, and the technical method can be used to test the operation is correct, technical signals can be used to control transaction risk and trading right. The right level of trading can determine the size of your transaction. For me this is really a very meaningful development. And the fundamental reunderstanding comes not from books, but from communication with enterprises, communication with people, and essentially communication with society. Financial staff are used to dividing the investment payback period into long-term, intermediate and short-term periods. The term usually refers to more than five years, short term generally refers to a period of less than one year, and the middle term is somewhere in between. Managers also use long, medium and short term to describe the plan. Long-term plan describes the organization in a quite long period (usually more than 5 years) and the development direction of policy, regulation on the group's various departments over a longer period of time in some activities should reach the goal and requirements, mapped the organization long-term development blueprint. Short-term plans specifically provides for all departments of an organization in the current stage, to the future the shorter period especially in the recent period of time, which should be engaged in activities, engaged in such activities should meet the requirement, and thus provides a basis for the ACTS of all members of the organization. The investment in securities is conducive to improving the operation and management of enterprises, improving the economic and social visibility of enterprises and promoting the rationalization of enterprises' behaviors.