The fundamental reason is: the relationship between supply and demand in the market. People who buy it will naturally go up. People who sell will naturally fall.

The increase refers to the current increase of the stock.

Calculation formula of increase: increase = (current price-closing price of the last trading day)/closing price of the last trading day * 100%.

For example, the closing price of a stock on the previous trading day is 100, and the current price on the next day is 1 10.0 1, indicating that the stock price has gone up (110.01-/kloc- If the increase is 0, it means that there is no increase or decrease today, and the price is the same as the previous trading day. If the growth is negative, it is called decline.

For example, the increase of a stock is: 10%, -5% and so on.