上大股份今日大宗交易折价成交83万股，成交额2674.26万元

Group 1 - The core transaction involved 830,000 shares of Shangda Co., with a total transaction value of 26.74 million yuan, accounting for 8.04% of the total trading volume on that day [1][2] - The transaction price was 32.22 yuan per share, which represents a discount of 0.89% compared to the market closing price of 32.51 yuan [1][2]