On October 7th, on the eve of the highly anticipated opening of class A share, many on-exchange funds "rose to suspension". On the evening of October 7th, four growth enterprises market related on-exchange funds, including Cathay Pacific growth enterprises market LOF, Bank of China Securities BOCI growth enterprises market ETF, Penghua growth enterprises market LOF fund, and Guolian Anchuang Technology ETF, issued premium risk warnings and suspension announcements, announcing that they would suspend trading for one hour on the morning of October 8th. Recently, due to the rise of class A shares and Hong Kong stocks, the price of many on-exchange funds has deviated greatly from the net value of the fund. Some funds have a significant premium due to the phenomenon of capital rush, and some funds have been limited to 10% because of the rise and fall., while the constituent stocks rose by more than 10% in batches, and then there was a phenomenon of ETF daily limit but substantial discount.