SUNSTONE(SH:603612) Zheng Xing Xing Ye Ri Bao·2025-08-29 08:36Market Overview - The non-metal materials sector increased by 1.2% on August 29, with Suotong Development leading the gains [1] - The Shanghai Composite Index closed at 3857.93, up 0.37%, while the Shenzhen Component Index closed at 12696.15, up 0.99% [1] Stock Performance - Suotong Development (603612) closed at 26.22, with a rise of 9.98% and a trading volume of 648,900 shares, amounting to a transaction value of 1.669 billion [1] - Other notable performers included Ningxin New Materials (839719) with a 2.75% increase, and Tianma New Materials (838971) with a 2.01% increase [1] - Longgao Co. (605086) experienced a decline of 1.90%, closing at 27.30 [2] Capital Flow - The non-metal materials sector saw a net inflow of 277 million in main funds, while retail investors experienced a net outflow of 117 million [2] - The main funds' net inflow for Suotong Development was 279 million, representing 16.71% of the total [3] - Longgao Co. had a significant net outflow of 11.78 million from main funds, accounting for -14.36% [3]