长光华芯今日大宗交易折价成交20万股，成交额1508万元

Group 1 - On August 4, Changguang Huaxin executed a block trade of 200,000 shares, with a transaction value of 15.08 million yuan, accounting for 1.33% of the total transaction volume for the day [1] - The transaction price was 75.4 yuan, which represents a discount of 0.7% compared to the market closing price of 75.93 yuan [1]