电机板块12月2日跌2.55%，大洋电机领跌，主力资金净流出8.85亿元

Market Overview - The electric motor sector experienced a decline of 2.55% on the trading day, with Dayang Electric leading the drop [1] - The Shanghai Composite Index closed at 3897.71, down 0.42%, while the Shenzhen Component Index closed at 13056.7, down 0.68% [1] Stock Performance - Dayang Electric (002249) closed at 10.81, down 4.08%, with a trading volume of 1.3759 million shares and a transaction value of 1.503 billion [1] - Other notable declines included Jiangsu Yinli (300660) down 3.59%, Mingzhi Electric (603728) down 3.22%, and Wolong Electric Drive (600580) down 3.04% [1] Capital Flow - The electric motor sector saw a net outflow of 885 million from institutional investors, while retail investors contributed a net inflow of 844 million [1] - The table of capital flow indicates that major stocks like Huayi Intelligent (301502) and Xiangming Intelligent (301226) experienced negative net inflows from institutional investors [2]