沪深京三市成交额超1.8万亿元，较上日此时缩量1796亿元

Group 1 - The core trading volume in the Shanghai, Shenzhen, and Beijing markets exceeded 1.8 trillion yuan, showing a decrease of 179.6 billion yuan compared to the previous day [1] - The estimated total trading volume for the day is approximately 2 trillion yuan [1] - As of the current moment, the trading volume in the Shanghai market is 768.8 billion yuan, while the Shenzhen market is at 1,013.9 billion yuan, and the Beijing Stock Exchange's trading volume is 17.8 billion yuan [1]