非金属材料板块9月19日涨1.33%，天马新材领涨，主力资金净流入2.18亿元

Market Overview - On September 19, the non-metal materials sector rose by 1.33% compared to the previous trading day, with Tianma New Materials leading the gains [1] - The Shanghai Composite Index closed at 3820.09, down 0.3%, while the Shenzhen Component Index closed at 13070.86, down 0.04% [1] Stock Performance - Tianma New Materials (code: 838971) closed at 42.00, up 10.53% with a trading volume of 146,300 shares and a transaction value of 605 million yuan [1] - Other notable performers included: - Strength Diamond (code: 301071) at 32.63, up 3.42% [1] - Quartz Shares (code: 603688) at 39.52, up 1.88% [1] - Suotong Development (code: 603612) at 26.81, up 1.78% [1] - Qilu Huaxin (code: 830832) at 8.95, up 1.02% [1] Capital Flow - The non-metal materials sector saw a net inflow of 218 million yuan from institutional investors, while retail investors experienced a net outflow of 150 million yuan [2] - The capital flow for key stocks included: - Quartz Shares with a net inflow of 112 million yuan from institutional investors [3] - Suotong Development with a net inflow of 62.73 million yuan from institutional investors [3] - Strength Diamond with a net inflow of 31.12 million yuan from institutional investors [3]