创业板指跌1%，寒武纪跌超5%

Group 1 - The Shanghai Composite Index experienced a decline of 0.56%, while the Shenzhen Component Index fell by 0.46% [1] - Sectors such as robotics, rare earth permanent magnets, real estate, and AI chips led the market downturn [1] - Nearly 4,000 stocks in the Shanghai, Shenzhen, and Beijing markets saw declines [1]