Market Overview - The non-metal materials sector increased by 0.11% compared to the previous trading day, with Ningxin New Materials leading the gains [1] - The Shanghai Composite Index closed at 3890.45, up by 0.36%, while the Shenzhen Component Index closed at 13140.22, up by 0.66% [1] Stock Performance - Ningxin New Materials (code: 920719) closed at 13.56, with a rise of 6.60% and a trading volume of 87,200 shares, amounting to a transaction value of 119 million yuan [1] - Suotong Development (code: 603612) closed at 23.05, up by 2.13% with a trading volume of 125,800 shares [1] - Other notable stocks include: - Dongfang Huizhen (code: 920175) at 11.95, up by 1.79% [1] - Bingyang Technology (code: 920675) at 10.45, up by 0.58% [1] - Qilu Huaxin (code: 920832) at 7.60, up by 0.40% [1] - Quartz Shares (code: 603688) at 35.82, up by 0.36% [1] Capital Flow - The non-metal materials sector experienced a net outflow of 53.54 million yuan from institutional investors, while retail investors saw a net inflow of 43.71 million yuan [2] - The capital flow for individual stocks shows: - Longao Co. (code: 605086) had a net outflow of 13.07 million yuan from institutional investors [3] - Ningxin New Materials had a net inflow of 13.25 million yuan from institutional investors [3] - Strength Diamond (code: 301071) had a net inflow of 7.36 million yuan from retail investors [3]