The stock market can be divided into issue market and circulation market, therefore, the market price of stocks can also be divided into issue price and circulation price. The issue price of a stock is the price agreed by the issuing company and the securities underwriter.
The price of a stock in the circulation market is the market price of the stock in a complete sense, which is generally called the stock market price or the stock market price. The stock market price is expressed in the form of opening price, closing price, highest price and lowest price.
Among them, the closing price is the most important, which is the basic data used to analyze the stock market.
You asked about the stock price in the circulation market, which is the current price we saw on the quotation software, right? That price is not determined by anyone, but by the relationship between supply and demand. The final average transaction price can be understood as the current price.
For example, the issue price of A shares is 10 yuan. No one bought him after the release. If they hold this stock and want to sell it at a low price, then he will sell it for 9 yuan or 8 yuan. Then, if anyone pays the bill with 9 yuan at this time, it's a deal. At this time, the transaction price of 9 yuan money became the current price of this stock! Remember, this is the most fundamental reason.
As for why no one buys or sells, it is because of many other reasons, such as the policy you mentioned, the company's performance and so on. These troubles will affect the psychology of sellers and sellers.
Finally, there is an issue price after the stock is issued. Then on this basis, the price is affected by the relationship between supply and demand, and all other factors are factors that affect the relationship between supply and demand. It can only be said that it indirectly affects the stock price, not directly.
One more thing, you said it would fall when the market opened the next day. That's because there is call auction time from 9: 0015 to 9: 25 in the morning. There are big orders that you don't know about these days, and finally the average transaction price will be taken as the opening price.
Simplicity is how to understand. As for the average transaction price, I just want to explain the problem, not strictly according to the statement of the CSRC.