灿芯股份今日大宗交易折价成交50万股，成交额4164.5万元

Group 1 - The core event involves a block trade of 500,000 shares of Canxin Co., with a transaction value of 41.645 million yuan, accounting for 5% of the total trading volume on that day [1][2] - The transaction price was 83.29 yuan per share, which represents a discount of 0.9% compared to the market closing price of 84.05 yuan [1][2]