其他电子板块12月31日跌0.69%，京泉华领跌，主力资金净流出9.56亿元

Market Overview - The other electronic sector declined by 0.69% on the last trading day, with Jingquanhua leading the drop [1] - The Shanghai Composite Index closed at 3968.84, up 0.09%, while the Shenzhen Component Index closed at 13525.02, down 0.58% [1] Stock Performance - Jiuzhiyang (300516) saw a significant increase of 20.00%, closing at 80.70 with a trading volume of 256,900 shares [1] - Other notable gainers included Chuangyitong (300991) with a 4.77% increase and Runxin Technology (300493) with a 2.92% increase [1] - Jingquanhua (002885) experienced the largest decline at 5.03%, closing at 25.69 with a trading volume of 231,100 shares [2] - Other significant decliners included Yunhanxincheng (301563) down 4.46% and Xiangnanxinchuan (300475) down 4.00% [2] Capital Flow - The other electronic sector saw a net outflow of 9.56 billion yuan from institutional investors, while retail investors had a net inflow of 10.64 billion yuan [2] - The capital flow data indicates that Jiuzhiyang had a net inflow of 3.09 billion yuan from institutional investors, despite a net outflow from retail investors [3] - Runxin Technology also had a net inflow of 58.64 million yuan from institutional investors, while retail investors showed a net outflow [3]