Investment Rating - The industry investment rating is "Positive" (maintained) [1] Core Insights - The humanoid robot sector continues to rebound, entering an upward channel, with the core company index rising by 5.54%, outperforming the broader market [12][11] - Multiple factors contributed to the unexpected strength of the rebound, including prior adjustments in the sector, advancements in Tesla's Optimus robot, and anticipated supportive policies from the U.S. government [4][12] - The year 2026 is projected to be a milestone for humanoid robot mass production, with significant catalysts expected [4][40] Summary by Sections Humanoid Robot Sector Performance - The humanoid robot sector index and leading stocks have shown a continued rebound, with the core company index increasing by 5.54% during the week of December 1 to December 5, 2025 [12][11] - The top five performers included Hengli Hydraulic (+11.53%), Siling Co. (+10.07%), and Wuzhou Xinchun (+9.24%) [12][14] Optimus Robot Development - Tesla's Optimus robot is progressing towards mass production, with recent demonstrations showcasing its running capabilities, achieving speeds of 2.5-3 m/s [5][16] - The U.S. government is expected to introduce supportive policies for the robot industry, which may accelerate development and enhance market confidence [31][33] - The domestic industrialization process is also speeding up, with leading companies preparing for capital market entry [34][38] Investment Opportunities - Key investment opportunities are identified in the supply chain, including components such as head assemblies, bearings, and structural parts [27][30] - Specific companies recommended for investment include Lens Technology, Minth Group, and Wuzhou Xinchun, among others [6][30] - The report emphasizes the importance of technological upgrades and supply chain integration to support mass production [27][30]