机器人概念，全线走强

Market Performance - The Shanghai Composite Index opened lower but closed higher, marking a seven-day winning streak, while the Shenzhen Component and ChiNext indices rebounded after hitting lows [1][8] - The total trading volume in the Shanghai and Shenzhen markets reached 1.92 trillion, an increase of 443 billion compared to the previous trading day [1][8] - By the end of the trading session, the Shanghai Composite Index rose by 0.47%, the Shenzhen Component increased by 0.33%, and the ChiNext Index gained 0.3% [2][9] Sector Highlights - The commercial aerospace sector remained active, with over 20 constituent stocks hitting the daily limit, including Shenjian Co. with six consecutive limit-ups, and others like Zengsheng Technology and China Satellite also reaching their limits [1][8] - The robotics sector saw a rapid increase, with stocks such as Shoukai Co. and Xiangshan Co. achieving limit-ups [1][8] - The semiconductor industry chain showed strength, with Shenghui Integration achieving four consecutive limit-ups, and stocks like Guofeng New Materials and Yangzi New Materials also hitting their limits [1][8] - The paper industry experienced significant gains, with stocks like Bohui Paper and Yibin Paper reaching their daily limits [1][8] Declining Sectors - The precious metals, Hainan, and energy metals sectors faced the largest declines, with the Hainan Free Trade Zone concept collectively dropping, and Hainan Ruize falling nearly 7% [1][8]