万通发展今日大宗交易平价成交324.1万股，成交额3999.39万元

Group 1 - The core event involves a block trade of 3.241 million shares of Wantong Development, with a transaction value of 39.9939 million yuan, accounting for 3.56% of the total trading volume on that day [1][2] - The transaction price was 12.34 yuan per share, which remained unchanged compared to the market closing price of 12.34 yuan [1][2]