金工量化周报 黄金珠宝指数：个人-机构参与水平出现分化 热门概念与行业机构参与情况跟踪（2026.01.26-2026.01.30） 核心结论 热门概念机构参与情况跟踪： 本周（2026.01.26-2026.01.30，下同）， PEEK 材料指数、机器视觉指数和高送转预期指数，机构参与占比靠前；其 中，PEEK 材料指数，机构参与占比达到近 20 周最高位。 GPU 指数、ASIC 芯片指数、半导体设备指数，机构参与增速最高；而航空 运输精选指数、华为鸿蒙指数与流感指数，机构参与降幅靠前。 黄金珠宝指数、稀土永磁指数和航空运输精选指数，个人-机构参与分歧程度 位于前列。本周最后一个交易日（2026.01.30），黄金珠宝指数个人机构走 势出现明显分化：个人参与水平显著下降，机构参与水平小幅回升。 行业机构参与情况跟踪： 本周， 机械、电子和轻工制造，机构参与占比靠前。 电子、建材、基础化工，机构参与增速最高；而石油石化、交通运输与医药， 机构参与降幅靠前。 石油石化、煤炭和传媒，个人-机构参与分歧程度位于前列。 风险提示：本报告是根据合理模型假设进行的计算与统计，涉及个股与概念 均不构成投资建议；模型与假 ...

Market Overview - The A-share market showed mixed performance today, with the Shanghai Composite Index down by 0.06% closing at 3875.79 points, while the Shenzhen Component Index rose by 0.40% to 13006.72 points. The ChiNext Index increased by 1.01% to 3067.48 points. Overall, 1454 stocks rose and 3874 stocks fell, with a total trading volume of 1549 billion yuan, a decrease of 121 billion yuan from the previous trading day [1][12]. Industry Performance - Among the Shenwan first-level industries, the top gainers included machinery and equipment (up 0.90%), electronics (up 0.78%), national defense and military (up 0.55%), telecommunications (up 0.50%), and non-ferrous metals (up 0.33%). Conversely, the sectors that experienced the largest declines were comprehensive (down 2.11%), beauty care (down 1.89%), social services (down 1.62%), commercial retail (down 1.55%), and textile and apparel (down 1.43%) [1][12]. Concept Sectors - The leading concept sectors today included Moore Threads, satellite internet, semiconductor equipment, commercial aerospace, GPU, decelerators, Yushu Robotics, embodied intelligence, satellite navigation, large aircraft, excavators, humanoid robots, industrial mother machines, new industrialization, and low-altitude economy [2][11].