上海汽配今日大宗交易折价成交20万股，成交额291万元

Group 1 - The core point of the article highlights that on December 23, Shanghai Auto Parts conducted a block trade of 200,000 shares, with a transaction amount of 2.91 million yuan, accounting for 7.65% of the total transaction volume for the day [1] - The transaction price was 14.55 yuan, which represents a discount of 2.48% compared to the market closing price of 14.92 yuan [1] - The buying brokerage involved in the transaction was Great Wall Securities, while the selling brokerage was Industrial Securities [2]