Investors can distinguish which sector the stock belongs to by the stock code. The Shanghai stock code starts with 600, 60 1 and 603, the Shenzhen stock code starts with 000, 002 and 003, the GEM stock code starts with 300, and the science and technology innovation board stock code starts with 688.
1. What is a stock?
Stock is a certificate issued by a joint-stock company to prove the shares held by shareholders, indicating that the stock holder has ownership of part of the capital of the joint-stock company. Because stocks contain economic benefits and can be listed, circulated and transferred, stocks are also a kind of valuable securities. Shares of listed companies in China are issued in Shanghai Stock Exchange and Shenzhen Stock Exchange, and investors generally open accounts in securities brokerage companies.
Second, the basic rules of stock trading?
1, trading time
Monday to Friday (except statutory holidays)
9: 30 am-11:30 am
65438+ 0: 00 pm to 3: 00 pm
2. Bidding transactions
(1) Bidding principle: price first, time first. The higher-priced bill takes precedence over the lower-priced bill, and the lower-priced bill takes precedence over the higher-priced bill. Entrusting at the same price will take precedence over time.
(2) Bidding method: call auction will be held at 9: 00 a.m.15-9: 25 a.m. (all valid commissions will be handled at one time); From 9: 30 am to 1 1: 30 am and 1: 00 pm to 3: 00 pm, continuous bidding (valid entrustment shall be handled one by one).
3. Trading unit
The trading unit of (1) shares is "shares", 100 shares = 1 lot, and the number of entrusted purchases must be 100 shares or an integer multiple thereof;
(2) The trading unit of the Fund is "shares", 65,438+000 shares = 65,438+0 lots, and the number of entrusted subscriptions must be 65,438+000 shares or an integral multiple thereof;
(3) The trading unit of treasury bonds and convertible bonds is "hand", the denomination is 1 1,000 yuan = 1 hand, and the entrusted purchase quantity must be 1 hand or an integral multiple thereof;
(4) When the entrusted quantity cannot be fully sold or distributed, there may be zero shares (less than 65,438+0 lots of zero shares), and the zero shares can only be entrusted for sale, but not for purchase.
4. Quotation unit
Shares are quoted as "shares"; The Fund takes "copies" as the quotation unit; Bonds are quoted in "hands". Example: The market shows "Shenzhen Development A" 30 yuan, that is, the current price of "Shenzhen Development A" shares is 30 yuan per share. The minimum change unit of the transaction entrustment price: RMB 0.065438 +0 yuan A shares, funds and bonds; Deep B is HK$ 0.065438 +0 yuan; Shanghai B is USD 0.0065438 +0 yuan RMB; Shanghai bond repurchase is 0.005 yuan.
5. Price limit
In a trading day, except for the securities listed on the first day, the trading price of each securities shall not exceed 10% relative to the closing price of the previous trading day, and the entrustment exceeding the price limit shall be invalid.