2. The value generated by comparing the latest transaction price (or closing price) of the trading day with the closing price of the previous trading day is generally expressed as a percentage. Calculation formula: (latest transaction price (or closing price)-opening reference price) ÷ opening reference price ×100%; General situation: opening reference price = closing price of the previous trading day; Ex-dividend date: reference price at the beginning = ex-dividend reference price.
1. Stock is a kind of securities and a certificate issued by a joint stock limited company to prove the shares held by shareholders. Shareholders are the owners of the company, and are limited to their share of capital contribution, taking risks and sharing profits.
2. Stocks have the following four attributes: first, stocks are negotiable securities, reflecting the rights of stock holders to the company; Second, stocks are warrants. Stock represents the rights of shareholders, and when the company's shares are transferred, the rights and interests of the company's shareholders are also transferred; Third, stocks are essential securities, and the contents and matters recorded should comply with the provisions of the law; Fourth, stocks are securities. Stocks can be traded in the stock exchange market according to law.
3. The trading time of most stocks is 4 hours, which is divided into two periods: Monday to Friday from 9: 30am to11:30pm, and afternoon from13: 00pm to15: 00pm.
4. From 9: 00 a.m.15 a.m., investors can place orders, and the entrusted price is limited to10% of the closing price of the previous trading day, that is, between the daily limit and the daily limit. Orders entrusted before 9:25 am are matched at 9:25 am, and the price obtained is the so-called "opening price". Orders placed between 9:25 and 9:30 were not processed until 9:30.
If the price you entrust cannot be concluded on the current trading day, you must re-register the order every other trading day.
6. Rest days: Trading is not allowed on Saturdays, Sundays and rest days announced by the Shanghai Stock Exchange. (Generally, it is the national legal holidays such as May 1 International Labor Day, National Day, Spring Festival, New Year's Day, Tomb-Sweeping Day, Dragon Boat Festival and Mid-Autumn Festival).
7. There is a commission (handling fee) for buying and selling stocks, and the commission for buying and selling is determined by each securities company (the highest is three thousandths of the transaction amount, and the lowest is not limited. The lower the better. ), which is generally 0.05% of the transaction amount. If the commission is insufficient, 5 yuan will be charged according to 5 yuan. Stamp duty is charged for buying and selling stocks: one thousandth of the transaction amount (it used to be 3‰, and the stamp duty was lowered in 2008, and one thousandth was charged unilaterally).
I hope I can help you.