海光信息今日大宗交易成交26.6万股，成交额6313.06万元

Group 1 - On September 23, Haiguang Information executed a block trade of 266,000 shares, with a transaction value of 63.13 million yuan, accounting for 0.46% of the total trading volume for the day [1] - The average transaction price was 237.33 yuan, which represents a discount of 6.8% compared to the market closing price of 254.66 yuan [1] - The highest transaction price recorded was 239.38 yuan, while the lowest was 235.75 yuan [1] Group 2 - The block trade involved multiple transactions, with the highest price of 239.38 yuan resulting in a transaction amount of 14.36 million yuan, and another transaction at the same price amounting to 13.41 million yuan [2] - A transaction at the lowest price of 235.75 yuan accounted for 23.58 million yuan, indicating significant institutional participation [2] - The trading activity was characterized by a mix of institutional and retail participation, with specific mentions of dedicated institutional trading [2]