汽车服务板块12月31日涨0.32%，德众汽车领涨，主力资金净流出3204.63万元

Core Viewpoint - The automotive service sector experienced a slight increase of 0.32% on December 31, with 德众汽车 leading the gains, while the overall market indices showed mixed results [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 3968.84, up 0.09%, while the Shenzhen Component Index closed at 13525.02, down 0.58% [1]. - The automotive service sector stocks showed varied performance, with 德众汽车 closing at 6.85, up 4.58%, and 中国汽研 closing at 16.60, down 1.13% [1][2]. Group 2: Stock Details - 德众汽车 led the sector with a trading volume of 110,200 shares and a transaction value of 76.58 million yuan [1]. - 阿尔特 and 国机汽车 also showed positive performance, with closing prices of 9.68 (up 2.00%) and 6.51 (up 1.88%) respectively [1][2]. Group 3: Capital Flow - The automotive service sector saw a net outflow of 32.04 million yuan from institutional investors, while retail investors contributed a net inflow of 38.74 million yuan [2]. - Individual stock capital flows indicated that 国机汽车 had a net inflow of 5.33 million yuan from institutional investors, while 德众汽车 had a net inflow of 4.99 million yuan [3].