半导体板块8月12日涨8.62%，寒武纪领涨，主力资金净流入58.78亿元

Group 1 - The semiconductor sector experienced a significant increase of 8.62% on August 12, with Cambricon leading the gains [1] - The Shanghai Composite Index closed at 3665.92, up 0.5%, while the Shenzhen Component Index closed at 11351.63, up 0.53% [1] - Notable individual stock performances included Cambricon (20% increase), Shanghai Hejing (20% increase), and Shengzhi Communication (19.27% increase) [1] Group 2 - The semiconductor sector saw a net inflow of 5.878 billion yuan from main funds, while retail investors experienced a net outflow of 1.719 billion yuan [3] - The overall fund flow indicates a strong interest from institutional investors in the semiconductor sector [3]