Group 1 - Antong Holdings disclosed a share buyback plan, with China National Freight Company intending to increase its stake by 300 million to 600 million yuan [1][2] - Nine companies announced share reductions, including Longmag Technology, Wanda Film, and Zhongrong Electric [1][2] Group 2 - Longmag Technology's shareholders plan to reduce their holdings by up to 1.03% [2] - Wanda Film's shareholder plans to reduce its stake by no more than 2% [2] - Zhongrong Electric's shareholders intend to reduce their holdings by up to 1.7% [2] - Yongxin Zhicheng's shareholder plans to reduce its stake by no more than 4% [2] - Kangpeng Technology's shareholders plan to collectively reduce their holdings by up to 5.89% [2] - Henghua Technology's major shareholder intends to reduce its stake by up to 1.50% [2] - Yuxin Technology's controlling shareholder plans to reduce its holdings by no more than 1.50% [2] - Zhongguang Lightning's executives, including the chairman and general manager, plan to reduce their shares [2] - Jihua Group's deputy general manager plans to reduce his stake by no more than 0.29% [2]