今日共45只个股发生大宗交易，总成交12.55亿元

Group 1 - A total of 45 stocks in the A-share market experienced block trades today, with a total transaction value of 1.255 billion yuan [1] - The top three stocks by transaction value were Guangqi Technology, Huayu Mining, and Real Madrid Technology, with transaction values of 264 million yuan, 261 million yuan, and 83.7 million yuan respectively [1]