Shanghai Securities Co., Ltd. was established in May, 20001year. It is an all-China comprehensive securities company formed by the merger of the former Shanghai Financial Securities Company and the securities headquarters of Shanghai International Trust Co., Ltd., with a registered capital of 654.38+0.5 billion yuan and shareholders of Shanghai International Group Co., Ltd. and Shanghai International Trust Co., Ltd. From June 5, 2005 to February 2005, the company became one of the national innovative pilot securities companies. At the same time, the company is also one of the core member enterprises of Shanghai International Group.
Shenzhen Stock Exchange Index is a weighted composite index of the constituent stocks of Shenzhen Stock Exchange.
Shenzhen Stock Exchange was established in 1 99065438+February1. It is a legal person who provides places and facilities for centralized securities trading, organizes and supervises securities trading, performs duties stipulated by relevant state laws, regulations, rules and policies, and implements self-discipline management.
The main functions of Shenzhen Stock Exchange include: providing places and facilities for securities trading; Formulate business rules; Examining the application for listing securities and arranging the listing of securities; Organizing and supervising securities trading; Supervisory member; Supervision of listed companies; Manage and publish market information; Other functions permitted by China Securities Regulatory Commission.
There are only two domestic stock markets, Shenzhen Stock Exchange and Shanghai Stock Exchange, which are called A shares.
Take the Shanghai stock market as an example. There are nearly 65,438+0,000 listed companies in Shanghai Stock Exchange, which can buy and sell their stocks. Then, from so many companies, the management department selects some representative companies in the industry, such as China Merchants Bank in the banking industry and China Unicom in the communication industry, and makes a calculation method by considering the scale of their enterprises (weighting refers to what is more important). In this way, according to the share prices of these representative companies at each moment, a number can be calculated, which is called "Shanghai Stock Exchange Index".
Shenzhen Stock Exchange Index refers to the stock price index compiled by Shenzhen Stock Exchange. The calculation method of this stock index is basically the same as that of the Shanghai Stock Exchange. Its sample is all the stocks listed on Shenzhen Stock Exchange, and the weight is the total share capital of the stocks.
As all listed companies are taken as samples, its representativeness is very extensive, and it is released simultaneously with Shenzhen Stock Exchange, which is a necessary reference for investors and securities practitioners to judge the trend of stock price changes in Shenzhen Stock Exchange. This index contributes to the healthy development of the securities market. Most of the constituent stocks are large-cap stocks and first-class stocks, which play a decisive role in the stock market.