On the first day of listing, the 60-year-old shares of the main board of Shanghai Stock Exchange and the 00-year-old shares of the main board of Shenzhen Stock Exchange rose by 44% at the highest and fell by 36% at the highest. However, the temporary suspension system is different: when the stock price of new shares in Shenzhen Stock Exchange rises to 10% compared with the opening price, the stock will be suspended for 30 minutes; The highest increase in resumption of trading was 44%.

The suspension rules for listing of new shares in Shanghai Stock Exchange are as follows:

1. Suspension of intraday trading: In the continuous bidding stage on the first day of IPO, if the intraday trading price rises or falls more than 10% (inclusive) for the first time compared with the opening price of that day, the Exchange will suspend intraday trading.

2. The intraday suspension time:

(1) Suspension for 30 minutes; If the suspension duration reaches or exceeds 14:57 (inclusive), the trading will be resumed on the same day 14:57.

(2) During the temporary suspension of intraday trading (including temporary suspension 1 hour), the Shanghai Stock Exchange does not accept the entrustment declaration of investors (the entrustment order automatically becomes invalid), but investors can cancel the unfinished declaration business.