cost revenue and profit In just three days, the 30-year bond jumped 16 basis points, the biggest gain since December 2008. While many key factors need to be taken into account when making plans, the core issue always is when to exit the transactions that have been entered. This actually includes three exit plans. For one thing, there must be a plan to accept losses, and to pull out if the deal loses. Second, there must be a plan to accept a profit, and once the profit target is met, it will be satisfied. Third, there must be a plan that allows the trader to exit the transaction in the event that a significant change is not occurring for a considerable period of time. The difference between financial capital preservation and physical capital preservation Understand different connotation of interest rates, will help us for the financial concepts of interest rates has a more deepen understanding, especially the formation, change and derivatives need to be determined by the market, this is a very key factor.