The index rebounded sharply on Wednesday, and the Shanghai index returned to above 2900 points. After opening slightly lower in the morning, the three major indexes showed a shock pattern, rebounded and turned red in the day, the market recovered comprehensively in the afternoon, and the increase expanded rapidly. The gem index closed up 5.52%, and other major indexes closed out of Zhongyang. Individual stock sectors showed a general upward trend, with power equipment, non-ferrous metals, national defense and military industry, electronics, basic chemical industry and other sectors leading the rise, while only the real estate and textile and clothing sectors fell. In terms of market environment, the meeting of the finance and Economics Committee called for comprehensively strengthening infrastructure construction, accelerating the construction of new infrastructure and improving the level of traditional infrastructure. The national development and Reform Commission also said it would actively expand effective investment and promote steady and healthy economic development. In addition, the CSRC issued the opinions on accelerating the high-quality development of the public fund industry, which proposed that the public fund should adhere to the interests of investors as the core, and earnestly achieve the same improvement and progress of the industry development and the interests of investors. Technically, the three major indexes rebounded sharply, and the Shanghai index returned to 2900 points to repair the recent weak pattern. The amount of net capital inflow to the North expanded and market sentiment improved. With the continuous development of policies and the gradual recovery of market confidence, it is expected that the market will usher in the trend of gradual repair in the repeated shocks, pay attention to the north capital flow and energy changes, and operationally suggest the layout of the middle line, focusing on finance, real estate, building materials, steel, household appliances, food and beverage, electrical equipment and other industries.