The investment of securities provides an important means for the central bank to conduct financial macro-control, which is of great significance to the sustainable and efficient development of the national economy. 2. Equality of shares, that is, each share of the same kind shall have equal rights; Maintain a "buy" rating - computing and network business revenue of $3.2 billion in the first quarter of the year, rose 13%, compared to the same period last year doubled, mainly by the server memory content increase.