Group 1 - The renovation and building materials sector experienced a slight decline, closing at 16,564.56 points with a drop of 1.22% [1] - Individual stocks within the sector showed varying degrees of decline, with Yong'an Forestry leading the drop at 8.10 CNY per share, down 10.00% [1] - Jingxue Energy closed at 25.82 CNY per share, down 7.72%, while ST Nachuan closed at 2.74 CNY per share, down 7.43% [1] Group 2 - Huaci Co. led the gains in the sector, closing at 20.61 CNY per share with an increase of 9.98% [1] - Youbang Ceiling closed at 32.67 CNY per share, up 7.22%, and Zhejiang Zhengte closed at 53.23 CNY per share, up 3.30% [1] Group 3 - Dongwu Securities highlighted the importance of technological self-reliance during the 14th Five-Year Plan, predicting accelerated development in domestic semiconductors, particularly in advanced processes [1] - The cleanroom engineering sector is expected to see high growth in orders, and AI applications are anticipated to develop rapidly in smart home appliances by 2026 due to improved model and computing power matching [1]