Core Points - Several securities firms, including CITIC Securities and Guosen Securities, have launched trading permissions for the Sci-Tech Innovation Growth Tier on their apps, requiring investors to have 500,000 yuan in assets and two years of investment experience to participate in upcoming IPOs and trading [1][4] - At least two companies have received IPO approval and are set to list on the Sci-Tech Innovation Growth Tier [2][8] - The Shanghai Stock Exchange has implemented a risk disclosure document for investors participating in the Sci-Tech Innovation Growth Tier, which must be signed before trading [3][5] Group 1 - Numerous securities firms have made the trading permission for the Sci-Tech Innovation Growth Tier available, with a total of at least 14 firms reported to have launched this feature by July 29 [4] - Investors must sign the "Risk Disclosure Document for Sci-Tech Innovation Growth Tier" to participate in new stock subscriptions and trading, ensuring they are aware of the associated risks [3][5][6] - The risk disclosure document highlights that companies in the growth tier may be unprofitable at the time of listing, and investors should be cautious about the uncertainties related to revenue and profitability [6][7] Group 2 - Two companies, He Yuan Biotechnology and Bei Xin Life, have successfully passed the IPO review process and are awaiting listing, with He Yuan Biotechnology already receiving its IPO approval [8] - There are three additional unprofitable companies in the IPO queue, with two having submitted registration applications and one in the inquiry stage [8] - Existing unprofitable listed companies do not require new trading permissions for participation in transactions [8]