The exchange made more than 800 transactions in a week, A shares implemented a combination of measures to prevent sharp rises and falls.

After actively announcing a cooling trend in sectors such as commercial aerospace this week, the Shanghai and Shenzhen Stock Exchanges collectively raised the proportion of financing margin, and after intense regulatory crackdown on abnormal trading, the A-share market has seen a significant cooling off trend after maintaining a rapid upward trend for nearly a month. The China Securities Regulatory Commission announced the main content of the 2026 system work conference on the 16th, clarifying the principles of current market regulation. The meeting was held on the 15th, with CSRC Chairman Wu Qing attending and speaking, summing up the work of 2025, analyzing the current situation, and deploying the work of 2026. "Adhering to stability as a top priority, consolidating the momentum of the market stabilization and improvement." The meeting emphasized the all-round strengthening of market monitoring and early warning, timely adjustment of countercyclical measures, strengthening trading supervision and information disclosure supervision, further safeguarding trading fairness, cracking down on illegal activities such as excessive speculation and market manipulation, and resolutely preventing market volatility. At the same time, continue to deepen the reform of public funds, continuously expand the sources and methods of medium and long-term capital, introduce various products and risk management tools suitable for long-term investment, actively guide long-term investment, rational investment, and value investment, and strive to create a market ecosystem of "long money, long investment". After the market closed on Friday, the Shanghai and Shenzhen Stock Exchanges announced regulatory updates, showing that the two exchanges took more than 800 actions in a week to crack down on abnormal trading and issues related to information disclosure intensively.