Today (December 12th)**all-day** differentiation, the three major indexes were mixed, the Shanghai Composite Index returned to above 3,000 points, and the turnover of the two cities was 787.5 billion, a decrease of 124 billion from the previous trading day. As of **, the Shanghai Composite Index rose 04%, the Shenzhen Component Index fell 008%, the GEM index fell 062%。
In terms of sectors, education, real estate, retail and other sectors were among the top gainers, while lithography machines, BC batteries, CPO and other sectors were among the top decliners. 
Today's main scramble for the sector Today's real estate development, shipbuilding and other sectors have a high net inflow, of which the net inflow of real estate development is 89.1 billion yuan. 
The main net **TOP20
According to the data of Oriental Wealth Choice, among the top 20 main net ** on December 12, China Shipbuilding Technology ranked first, with a net of 34.7 billion yuan;Giant Network ranked second, with a net of **2$2.1 billion. Poly Development ranked thirteenth, with a net of 14.1 billion yuan, the stock rose nearly 8% today. 
Oriental Wealth Choice data) The main net selling TOP20
According to the data of Oriental Wealth Choice, among the top 20 main net sellers on December 12, Xin Yisheng ranked first, with a net sale of 44.9 billion yuan;Tonghua Jinma ranked second, with a net selling of 44 billion yuan. 
Oriental Wealth Choice Data) (Article**: Oriental Wealth Research Center).