沪指半日跌0.1% AI应用端持续活跃

Market Overview - The Shanghai Composite Index experienced a slight decline of 0.1% while the Shenzhen Component Index increased by 0.01% and the ChiNext Index fell by 0.05% during the morning session on January 29 [1] - The AI application sector remained active, with companies like Sai Group and Zhejiang Wenlian hitting the daily limit up [1] - The precious metals sector showed strength, with China Gold achieving five consecutive limit ups and Hunan Gold four consecutive limit ups [1] - The basic metals sector saw fluctuations, with Silver Nonferrous achieving eight consecutive limit ups and companies like Yiqiu Resources also hitting the daily limit up [1] - The real estate sector experienced a rally, with companies like Shen Shen Fang A reaching the daily limit up [1] - Sectors that faced declines included forestry and semiconductors, which had the largest drops [1] Sector Performance - The East Finance Concept Index showed significant gains in various sectors, with the marketing services sector leading at 8.97% [2] - Other notable sectors included the short drama interactive gaming sector at 6.14% and the real estate service sector at 4.19% [2] - Conversely, the electronics sector, including components like electronic rearview mirrors and storage chips, faced declines ranging from -2.10% to -3.25% [2]