非金属材料板块10月15日涨0.5%，索通发展领涨，主力资金净流出1.78亿元

Market Overview - On October 15, the non-metal materials sector increased by 0.5% compared to the previous trading day, with Suotong Development leading the gains [1] - The Shanghai Composite Index closed at 3912.21, up 1.22%, while the Shenzhen Component Index closed at 13118.75, up 1.73% [1] Stock Performance - Suotong Development (603612) closed at 25.09, up 3.46% with a trading volume of 154,300 shares and a transaction value of 382 million [1] - Other notable stocks include: - Dongfang Shuosuo (920175) at 12.86, up 2.06% [1] - Bingyang Technology (920675) at 11.24, up 1.90% [1] - Changjiang Materials (001296) at 23.28, up 1.39% [1] - Tianma New Materials (920971) at 39.58, up 1.20% [1] - Lianrui New Materials (688300) at 56.90, up 0.99% [1] Capital Flow - The non-metal materials sector experienced a net outflow of 178 million from institutional investors, while retail investors saw a net inflow of 115 million [2] - The capital flow for individual stocks shows: - Kuncai Technology (603826) had a net inflow of 160.53 million from retail investors [3] - Lianrui New Materials (688300) had a net outflow of 46.39 million from institutional investors [3] - Suotong Development (603612) had a net outflow of 258.89 million from institutional investors [3]