PANews, July 13 - According to reports from Jinshi, the Shanghai Stock Exchange has officially released the supporting business rules for (Self-Regulatory Supervision Guidelines No. 5 for Sci-Tech Innovation Board Listed Companies - Sci-Tech Growth Tier). Among them, it is proposed to strengthen the management of investor suitability. This reform does not introduce new investment thresholds for individual investors participating in the stock trading of the Sci-Tech Growth Tier; the requirements remain at '500,000 yuan in assets + 2 years of experience.' Additionally, according to the requirements of the (Sci-Tech Innovation Board Opinions), investors need to sign a special risk disclosure statement before investing in newly registered unprofitable technology enterprises in the Sci-Tech Growth Tier.