Foreign exchange rate 800, fund 44. These only use initials. There are some important data, almost starting with 399. For example, 399006 refers to the Growth Enterprise Market, and 399005 refers to the small and medium-sized board. There are also 88 1 on-off plates. For example, 88 120 1 is agriculture. Press Enter several times to see the arrangement of the whole plate. In addition, 888 refers to the stock index futures market, 9 1, 92 ... and so on. It's all about the main force and the stage strength. You can see for yourself. There are also 300 GEM and 002 small and medium-sized board stocks. You can also look at the ones that start with 5. In fact, many things only need to enter the first letter, so it is not so troublesome to remember numbers. I want these now, I hope they will help you.