Pull messages are the types which might be initiated from the customer, by using a cell phone, for obtaining information or conducting a transaction in the bank account. Examples of pull messages for information feature an account balance enquiry, or requests for current information like foreign currency exchange rates and deposit interest levels, as published and updated through the bank. Not long ago, U.S. debt long positions were near historic highs. The CFTC's holdings report showed that as of Dec. 12, the 30-year U.S. debt had a net gain of 10.091 million, the highest level since last July. 3. Modern enterprise period Then the interest rate theory of the loan is the interest rate theory of neoclassical school, which is proposed to correct Keynes's theory of "liquidity preference". In some ways, the theory of interest rate can be regarded as a synthesis of classical interest rate theory and Keynesian theory. It is proposed to set up big core technology in the big fund