Zheng Xing Xing Ye Ri Bao·2025-10-21 08:21Core Insights - The rubber sector experienced a rise of 1.95% on October 21, with Zhongyu Technology leading the gains [1] - The Shanghai Composite Index closed at 3916.33, up 1.36%, while the Shenzhen Component Index closed at 13077.32, up 2.06% [1] Sector Performance - Zhongyu Technology (code: 920694) saw a significant increase of 29.96%, closing at 25.07 with a trading volume of 96,500 shares and a transaction value of 234 million yuan [1] - Yanggu Huatai (code: 300121) increased by 6.37%, closing at 16.02 with a trading volume of 287,100 shares and a transaction value of 454 million yuan [1] - Other notable performers include: - Sanwei Equipment (code: 920834) up 5.81% to 15.67 [1] - Keqiang Co., Ltd. (code: 920665) up 4.46% to 13.58 [1] - Tiantie Technology (code: 300587) up 3.24% to 7.65 [1] Capital Flow - The rubber sector saw a net inflow of 61.99 million yuan from main funds, while retail funds experienced a net outflow of 21.72 million yuan [3] - Speculative funds had a net outflow of 40.27 million yuan [3]