Zheng Xing Xing Ye Ri Bao·2025-09-11 08:40Market Performance - The rubber sector increased by 1.93% on September 11, with Zhen'an Technology leading the gains [1] - The Shanghai Composite Index closed at 3875.31, up 1.65%, while the Shenzhen Component Index closed at 12979.89, up 3.36% [1] Stock Performance - Zhen'an Technology (300767) closed at 21.96, with a rise of 7.70% and a trading volume of 264,100 shares, amounting to a transaction value of 573 million yuan [1] - Other notable performers include: - Kexin New Source (300731) at 47.78, up 6.15% with a transaction value of 640 million yuan [1] - Tongcheng New Materials (603650) at 34.89, up 3.29% with a transaction value of 436 million yuan [1] Fund Flow Analysis - The rubber sector saw a net inflow of 16.96 million yuan from institutional investors, while retail investors contributed a net inflow of 40.18 million yuan [2] - Notably, Zhen'an Technology experienced a net inflow of 56.88 million yuan from institutional investors, despite a net outflow of 58.88 million yuan from retail investors [2] - Kexin New Source had a net inflow of 16.81 million yuan from institutional investors, with retail investors contributing a net inflow of 12.55 million yuan [2]