东北证券今日大宗交易平价成交870万股，成交额7342.8万元

Group 1 - On September 9, Northeast Securities executed a block trade of 8.7 million shares, with a transaction value of 73.428 million yuan, accounting for 28.47% of the total trading volume for the day [1] - The transaction price was 8.44 yuan, which was in line with the market closing price of 8.44 yuan [1] - The block trade involved institutional buyers and sellers, indicating significant institutional interest in Northeast Securities [2]