汽车零部件板块12月16日跌1.1%，明新旭腾领跌，主力资金净流出11.94亿元

Group 1 - The automotive parts sector experienced a decline of 1.1% on December 16, with Mingxin Xuteng leading the drop [1] - The Shanghai Composite Index closed at 3824.81, down 1.11%, while the Shenzhen Component Index closed at 12914.67, down 1.51% [1] - A detailed table of individual stock performance within the automotive parts sector is provided [1] Group 2 - The automotive parts sector saw a net outflow of 1.194 billion yuan from main funds, while retail investors contributed a net inflow of 923 million yuan [2] - The sector experienced a net inflow of 271 million yuan from speculative funds [2] - A detailed table of fund flows for individual stocks in the automotive parts sector is included [2]