A possible reason for the gasoline smell of a car Central bankers' tasks are limited to keeping inflation stable and independence easier to maintain. Given this narrow mandate, the allocation of central bank decisions is limited. Moreover, it is easier to explain how the central bank's policy tools are linked to its political mandate. Securities investment refers to investors (as a legal person or natural person) to buy shares, bonds, funds, securities, and securities derivatives, in order to get dividends, interest, and capital gains investment behavior and investment process, is an important form of indirect investment. [1] Today, because all of these reasons, the central bank hit: lost the inflation target, failure to maintain financial stability, not transparent to restore stability, without fully considering the global impact of policy. Politicians are unhappy with their performances and are seeking to regain control. Micron, President and chief executive Sanjay Mehrotra said: "to Micron strong results mainly by the movement, application server and SSD revenue from double-digit growth, driven in addition gross margin and profit margins are improved."