Last month, the bank said it expects to raise interest rates twice to keep inflation below 3 percentage points by the end of the decade. Of course, in addition to the interest rate cut, yu 'ebao has also lowered the limit of personal accounts, from 1 million yuan to 250,000 yuan, to 100 thousand yuan. In recent days, it has been announced that yu 'ebao's one-day purchase quota will be adjusted to 20,000 yuan, all of which are aimed at reducing risks. Listed in just three days later, the stock has jumped 2000%, on December 18, only half a day, that day rose more than 400%, volume of more than 5 million shares, accounting for half of the total outstanding shares, by two days in a row, its market value has reached $5 billion, due to the large period of time to rise too fast, Long Fin trigger circuit breakers exchanges for many times. Because economists understand earnings as actual material wealth increase, accounting experts think the output value of more than the difference between the input value is profits, there is a contradiction and two kinds of income concept. The specific performance is: