沪深京三市成交额超2万亿元，较上日此时缩量1819亿元

Group 1 - The total trading volume in the Shanghai, Shenzhen, and Beijing markets exceeded 2 trillion yuan, showing a decrease of 181.9 billion yuan compared to the same time the previous day [1] - The estimated total trading amount for the day is approximately 2.1 trillion yuan [1] - As of now, the trading volume in the Shanghai market is 871.1 billion yuan, while the Shenzhen market has a trading volume of 1,113.8 billion yuan, and the Beijing Stock Exchange has a trading volume of 15.9 billion yuan [1]