SUNSTONE(SH:603612) Zheng Xing Xing Ye Ri Bao·2025-09-08 08:41Market Overview - The non-metal materials sector increased by 0.95% on September 8, with Suotong Development leading the gains [1] - The Shanghai Composite Index closed at 3826.84, up 0.38%, while the Shenzhen Component Index closed at 12666.84, up 0.61% [1] Stock Performance - Suotong Development (603612) closed at 28.96, with a rise of 6.51% and a trading volume of 588,100 shares, amounting to a transaction value of 1.669 billion [1] - KunCai Technology (603826) rose by 2.30% to close at 20.48, with a trading volume of 54,500 shares [1] - Other notable performers include: - Power Diamond (301071) up 1.06% to 30.49 [1] - Longgao Co. (605086) up 0.27% to 26.37 [1] - Qilu Huaxin (830832) up 0.22% to 8.97 [1] - Conversely, several stocks experienced declines, including: - Lianrui New Materials (688300) down 0.68% to 52.53 [1] - Changjiang Materials (001296) down 1.09% to 26.34 [1] - Quartz Co. (603688) down 2.10% to 38.68 [1] Capital Flow - The non-metal materials sector saw a net inflow of 961,800 yuan from institutional investors, while retail investors experienced a net inflow of 4,365,080 yuan [2] - However, speculative funds recorded a net outflow of 4,461,260 yuan [2] Individual Stock Capital Flow - Suotong Development had a net inflow of 60,310,100 yuan from institutional investors, while retail investors saw a net outflow of 2,632,930 yuan [3] - Quartz Co. experienced a net inflow of 33,967,000 yuan from retail investors despite a net outflow of 3,412,970 yuan from speculative funds [3] - Longgao Co. had a significant net outflow of 7,149,100 yuan from institutional investors [3]