Institutions are all kinds of investment companies, securities companies, fund companies and other wealth management companies that participate in stock market transactions. Generally, each company owns a stock, or several companies make one or several stocks together. Generally speaking, it is a big family, a person with the right to speak, or the main force, which can generally influence the rise and fall of a stock. 1. In a stock, no matter how bad the organization is, it is not bad. 2. On the positive side, it shows that there is not much problem in the fundamentals and performance expectations of the stock. 3. The bad side is that there are too many institutions and there is a herd effect, but it restricts the rise of stocks. For example, many stocks held by many funds are in a downturn and it is difficult to rise or fall. 4. In addition, some stocks have become the targets for many institutions to increase their holdings, because the weight relationship of some stocks has become a tool for institutions to manipulate stock indexes and futures indexes, rather than optimistic about the performance and growth of the stock.

Stock market index: The stock market index is a reference index compiled by stock exchanges or financial services institutions to indicate the changes in the stock market. Due to the volatility of stock prices, investors are bound to face market price risks. It is easy for investors to know the price changes of a specific stock, but for the price changes of a variety of stocks, some financial service institutions use their business knowledge and familiarity with the market to compile the stock price index as an indicator of market price changes. Based on this, investors can test the effect of their investment and predict the trend of the stock market. The press, company bosses and even political mgc also use this as a reference index to observe and predict the social, political and economic development situation. This stock index, that is, the average price indicating the changes in the stock market. Compile a stock index, take the stock price of this base period as 100, and compare the stock prices of subsequent periods with the base period price, which is the stock index of this period. Investors rise and fall according to the index.

1, institutions in the stock market are often linked to the main force, which refers to the ultimate owner who holds a large number of chips in the stock. 2, the main institutions do not let others know how many chips they hold, often a main institution has multiple accounts. Of course, institutions are generally a main force in investing in stocks.