A股午评：沪指跌0.09% 房地产、ST板块涨幅居前

Market Overview - The Shanghai Composite Index fell by 0.09% while the Shenzhen Component Index decreased by 0.36% and the ChiNext Index dropped by 0.53% [1] Sector Performance - The shipping and port sector showed strength with stocks like Lianyungang, Ningbo Maritime, and Ningbo Port hitting the daily limit [1] - M&A and restructuring concepts were active, with Tianqimo and Sichuan Shuangma also reaching the daily limit [1] - Real estate, cement and building materials, and ST sectors performed well [1] - Conversely, sectors such as small metals, consumer electronics, auto parts, robotics, and PEEK materials experienced declines [1] Market Breadth - Nearly 3,000 stocks in the market saw an increase [1]