非金属材料板块9月12日涨1.02%，力量钻石领涨，主力资金净流出786.22万元

Group 1 - The non-metal materials sector increased by 1.02% compared to the previous trading day, with strength led by diamond stocks [1] - The Shanghai Composite Index closed at 3883.69, up 0.22%, while the Shenzhen Component Index closed at 12996.38, up 0.13% [1] Group 2 - In terms of capital flow, the non-metal materials sector experienced a net outflow of 786.22 million yuan from main funds and a net outflow of 1525.68 million yuan from speculative funds, while retail investors saw a net inflow of 2311.9 million yuan [2]