Group 1 - The core point of the news is the disclosure of shareholding changes by various A-share listed companies, including both increases and decreases in shareholdings [1][2] Group 2 - Yunyi Electric's actual controller plans to increase shareholdings by 10 million to 20 million yuan [2] - Several companies, including Jingji Zhino, Tianneng Heavy Industry, and Tongrun Equipment, have announced plans to reduce their shareholdings, with Jingji Group intending to reduce no more than 3.00% of its shares [2] - Other companies such as Wanliyang and Tuo Wei Information also reported shareholding reductions, with Wanliyang's shareholder planning to reduce no more than 2% of its shares [2] - The report indicates that a total of 11 A-share listed companies have disclosed shareholding reductions [1][2]