1, the Hong Kong Stock Connect was opened. As long as the investor's stock trading account is above 500,000, it can be opened in the trading system. China Securities Regulatory Commission announced that Shanghai-Hong Kong Stock Connect will be officially opened on 20117. Affected by this, the Shanghai and Shenzhen stock indexes both opened higher on Monday, and the Shanghai Composite Index opened at 2,436.63 points, up 0.76%. The Seoul Composite Index of South Korea opened at 8299.42 points, up 0.78%.

2. Shanghai-Shenzhen Stock Connect means that you can freely buy and sell stocks listed on Shanghai Stock Exchange and Shenzhen Stock Exchange. An exchange is a market for trading stocks, just like a farmer's market, which is simply the Shanghai and Shenzhen stock markets.

3. Shanghai and Shenzhen stock markets refer to stock exchanges mainly engaged in stock trading in Shanghai and Shenzhen. At present, there are only two stock exchange markets in China, namely, Shanghai and Shenzhen. Shenzhen Stock Exchange is a small and medium-sized board and a venture capital board. Shanghai stock market is the leading market in China, ranking first in terms of the number of listed companies, the number of listed stocks, the total market value, the market value of circulation, the total turnover of securities, the turnover of stocks and the turnover of national debt.