上海莱士(002252.SZ)：控股股东海盈康累计增持1.10%公司股份

Group 1 - The core point of the article is that Shanghai Laishi has completed its share buyback plan, with Haiyingkang increasing its stake in the company [1] - During the buyback period, Haiyingkang acquired a total of 72.9353 million shares, representing 1.10% of the company's total share capital [1] - The total amount spent on the buyback was approximately RMB 499.9915 million, excluding transaction fees [1]