沪深两市成交额超1.5万亿元，较上日此时放量1474亿元

Group 1 - The core point of the article highlights that the trading volume in the Shanghai and Shenzhen stock markets exceeded 1.5 trillion yuan, marking an increase of 147.4 billion yuan compared to the previous day at the same time [1] Group 2 - The trading volume indicates a significant uptick in market activity, suggesting increased investor engagement and potential market momentum [1]