机器人板块迎重磅利好，汽车零部件ETF（562700）大涨1.91%，航天机电涨停

Group 1 - The A-share market showed mixed performance on December 4, with the robotics sector experiencing a strong rise, particularly the automotive parts ETF (562700) which increased by 1.91% [1] - Key stocks in the automotive parts ETF include Aerospace Electromechanical, which hit the daily limit, along with Slin, Sanhua Intelligent Control, Zhejiang Rongtai, Shuanghuan Transmission, Top Group, and Wuzhou New Spring, all of which saw gains [1] - The U.S. government is shifting focus towards robotics, with reports indicating that the Trump administration is considering an executive order on robotics next year, and the Department of Transportation is preparing to announce a robotics task force [1] Group 2 - The automotive parts ETF (562700) tracks the CSI Automotive Parts Theme Index (931230.CSI), which bundles high-quality parts companies and is concentrated in sectors such as automotive parts, automation equipment, home appliance parts, software development, and consumer electronics [2] - Notably, the index has a high content of humanoid robots, accounting for 50.97% of the index [2]