In just three days, the yield on the 30-year Treasury bond jumped 16 basis points, the biggest gain since December 2008. The two-year - 30-year spread widened at the fastest rate since last year's U.S. election. This week the yield curve flattens out. Is it a short adjustment or a bear market start? t is more difficult to improve ability than to master knowledge. Profitability is dependent on ability, not knowledge, so you should understand why I say the ability to learn is the equivalent of trading profit. Ability can be divided into: the ability of market analysis, understanding of market performance ability, ability to sense the state of the market, the impact factors of market leading identification ability, reading ability in the subject matter of the charts, operation planning skills, and ability to execute. Any knowledge can be translated into its own ability only through its own concrete practice. At this stage, it is important to remain open and objective, and that is the principle that you can continue to learn and progress. The futures market moves forward through breaking rules rather than building market rules. This is an important feature of futures markets that are different from other markets. The futures market can only develop by maintaining uncertainty, rather than forming operation rules. Futures market is one of the most interesting feature is: the same information or trading tools on people who have different produce strange reaction, the same information or tools do not have uniqueness and correctness or authority, so, for trading, understanding of information and trading tool use is more important than the master information and tools themselves. Having a large amount of information and buying a large number of trading models will not help your analysis and trading profitability. The key is to see your understanding and application skills. The accounting income maintains the financial capital preservation, namely, the monetary value that only requires the owner to invest is not eroded, the enterprise income exceeds the input value part is the accounting income. Accounting focuses on reporting financial results. The economic benefits insist on physical capital preservation, which can only be confirmed when the actual production capacity of the owner is saved. It is believed that only by maintaining the actual production capacity of the enterprise can the enterprise reproduce smoothly. Physical capital preservation is more meaningful than the income of financial capital preservation, but it is difficult to measure. This was in October, when the recession caused sterling to fall. But he feels that the pound now reflects post-recession levels, and there is no reason for prices to fall further. He also estimated that the UK recession might end and that sterling could rise. His data have also shown that the price drop has stopped, and he sees it as a signal that price increases will begin. So he decided to buy the pound. Inherent flaws in accounting earnings