半导体板块10月31日跌3.33%，天德钰领跌，主力资金净流出155.75亿元

Market Overview - The semiconductor sector experienced a decline of 3.33% on October 31, with Tian De Yu leading the drop [1] - The Shanghai Composite Index closed at 3954.79, down 0.81%, while the Shenzhen Component Index closed at 13378.21, down 1.14% [1] Stock Performance - Notable gainers in the semiconductor sector included: - Xinxiangwei (688593) with a closing price of 21.26, up 4.37% [1] - Wensheng Co. (688720) at 56.80, up 4.14% [1] - Dawi Co. (002213) at 28.02, up 3.89% [1] - Major decliners included: - Dade Yu (688252) at 24.48, down 10.95% [2] - Lankai Technology (688008) at 136.30, down 10.33% [2] - Yanshi Micro (688172) at 24.53, down 8.44% [2] Capital Flow - The semiconductor sector saw a net outflow of 15.575 billion yuan from institutional investors, while retail investors had a net inflow of 8.926 billion yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors increased their positions [2] Individual Stock Capital Flow - Notable net inflows from institutional investors included: - Wenta Technology (600745) with a net inflow of 31.8 million yuan, representing 6.98% of its total [3] - Dawi Co. (002213) with a net inflow of 81.76 million yuan, representing 3.61% [3] - Conversely, significant net outflows were observed in: - Lankai Technology (688008) with a net outflow of 99.29 billion yuan [2] - Yanshi Micro (688172) with a net outflow of 4.99 billion yuan [2]