Zheng Xing Xing Ye Ri Bao·2025-08-22 08:32Group 1 - The rubber sector experienced a rise of 2.15% on August 22, with Zhen'an Technology leading the gains [1] - The Shanghai Composite Index closed at 3825.76, up 1.45%, while the Shenzhen Component Index closed at 12166.06, up 2.07% [1] - Zhen'an Technology's stock price increased by 19.98% to 25.34, with a trading volume of 498,100 shares and a transaction value of 1.167 billion yuan [1] Group 2 - The rubber sector saw a net inflow of 118 million yuan from main funds, while retail investors experienced a net outflow of 16.9879 million yuan [2] - The trading performance of other notable stocks in the rubber sector included Tian Tie Technology, which rose by 9.95% to 8.84, and Kechuang New Source, which increased by 3.08% to 49.91 [1][2] - The overall trading volume and transaction values for various stocks in the rubber sector indicate active market participation, with significant movements in stock prices [1][2]