万里石今日大宗交易折价成交20万股，成交额612万元

Group 1 - The core point of the news is that Wanli Stone executed a block trade of 200,000 shares on December 19, with a transaction value of 6.12 million yuan, accounting for 3.53% of the total trading volume for that day [1][2] - The transaction price was 30.6 yuan per share, which represents a discount of 9.2% compared to the market closing price of 33.7 yuan [1][2] Group 2 - The block trade involved the securities code 002785, under the name Wanli Stone, with a total volume of 20,000,000 shares and a transaction amount of 612,000 yuan [2] - The buyer was from Guangfa Securities Co., Ltd., while the seller was from Shenwan Hongyuan West Securities [2]