电子化学品板块10月20日涨1.09%，中石科技领涨，主力资金净流出1.24亿元

Core Viewpoint - The electronic chemicals sector experienced a rise of 1.09% on October 20, with Zhongshi Technology leading the gains, while the overall market indices also showed positive performance [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 3863.89, up 0.63% [1]. - The Shenzhen Component Index closed at 12813.21, up 0.98% [1]. Group 2: Individual Stock Performance - Zhongshi Technology (300684) closed at 44.78, with an increase of 8.64% and a trading volume of 395,700 shares [1]. - Guangxin Materials (300537) closed at 28.44, up 6.92% with a trading volume of 224,600 shares [1]. - Sanhu Xinke (688389) closed at 56.70, increasing by 2.98% with a trading volume of 19,600 shares [1]. - Tiantong Co., Ltd. (600330) closed at 10.20, up 2.93% with a trading volume of 1,599,900 shares [1]. - Other notable stocks include Guanghua Technology (002741) at 21.48 (+2.87%), Siquan New Materials (301489) at 197.88 (+2.63%), and Xingfu Electronics (688545) at 35.00 (+2.10%) [1]. Group 3: Capital Flow Analysis - The electronic chemicals sector saw a net outflow of 124 million yuan from institutional investors and 126 million yuan from speculative funds, while retail investors contributed a net inflow of 250 million yuan [2]. - The capital flow for individual stocks indicates varied trends, with Guangxin Materials experiencing a net outflow of 41.98 million yuan from institutional investors [3]. - Shanghai Xinyang (300236) had a net inflow of 33.05 million yuan from institutional investors, while Guanghua Technology (002741) saw a net inflow of 28.92 million yuan [3].