A股这一板块，午后“爆发”

Market Overview - The market experienced a volatile adjustment on September 2, with the Shanghai Composite Index down 0.45%, the Shenzhen Component Index down 2.14%, and the ChiNext Index down 2.85% [1] - Total market turnover exceeded 2.91 trillion yuan, an increase of 134.8 billion yuan compared to the previous trading day [1] Robotics Sector - The robotics sector saw a collective surge, with the "13-fold bull stock" Aowei New Materials hitting a 20% limit up, closing with a 14.66% increase and a year-to-date gain of over 1370% [3] - The reducer concept stocks topped the Tonghuashun sector gainers list, with companies like Jilun Intelligent and Qin Chuan Machine Tool reaching their daily limit [4][3] Reducer Concept Stocks - Reducer concept stocks experienced significant gains, with Jiyuan Precision rising approximately 20% and Bojie Co., Ltd. achieving "two limit ups in two days" [4] - Bojie Co., Ltd. reported a 17.48% year-on-year increase in revenue for the first half of 2025, amounting to 672 million yuan, and a net profit of 20.19 million yuan, up 11.55% year-on-year [6][7] Automotive Parts Sector - The automotive parts sector rebounded in the afternoon, with Shunyu Precision leading the gains [8] - According to data from the China Association of Automobile Manufacturers, the export value of automotive parts reached 47.42 billion USD from January to June, marking a 4.5% year-on-year increase [10] - Long-term prospects indicate that domestic automakers may achieve significant growth in the smart electric vehicle era, potentially leading to the emergence of globally competitive automotive parts companies [10]