沪深京三市成交额超1.7万亿元，较上日此时缩量1872亿元

Core Points - The total trading volume in the Shanghai, Shenzhen, and Beijing markets exceeded 1.7 trillion yuan, showing a decrease of 187.2 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 the current moment, the trading volume in the Shanghai market is 755.8 billion yuan, while the Shenzhen market is at 924.1 billion yuan, and the Beijing Stock Exchange 50 has a trading volume of 20.6 billion yuan [1]