其他电子板块10月31日跌0.24%，云汉芯城领跌，主力资金净流出9亿元

Market Overview - The other electronic sector experienced a decline of 0.24% on October 31, with Yunhan Xincheng 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 included: - Ruineng Technology (603933) with a closing price of 22.59, up 7.06% and a trading volume of 307,600 shares, totaling 694 million yuan [1] - Shannon Chip (300475) closed at 132.52, up 3.07% with a trading volume of 345,700 shares, totaling 432.5 million yuan [1] - Major decliners included: - Yunhan Xincheng (301563) closed at 204.17, down 8.77% with a trading volume of 46,000 shares, totaling 953 million yuan [2] - Zhongdian Port (001287) closed at 26.70, down 6.41% with a trading volume of 816,100 shares, totaling 221.5 million yuan [2] Capital Flow - The other electronic sector saw a net outflow of 900 million yuan from institutional investors, while retail investors experienced a net inflow of 898 million yuan [2] - The capital flow for specific stocks showed: - Ruineng Technology had a net inflow of 121 million yuan from institutional investors, but a net outflow of 63.57 million yuan from speculative funds [3] - Shenzhen Huachang (000062) had a net inflow of 19.19 million yuan from institutional investors, with a net outflow of 20.81 million yuan from speculative funds [3]