Group 1 - The core viewpoint of the news is that Haocen Medical has experienced a significant stock price increase, reaching a limit up of 9.92% on August 22, with a trading price of 4.21 yuan per share and a total market capitalization of 3.536 billion yuan [1] - Haocen Medical is primarily engaged in oral medical services and industrial manufacturing, with a focus on the research and innovation of permanent magnet switch products [1] - The company was listed on the Shenzhen Stock Exchange in 2011 and acquired a controlling stake in Guangdong Delun Medical Group in 2021 [1] Group 2 - As of March 31, Haocen Medical had 54,000 shareholders, with an average of 15,500 circulating shares per shareholder [2] - For the first quarter of 2025, Haocen Medical reported operating revenue of 143 million yuan, a year-on-year decrease of 12.58%, and a net profit attributable to shareholders of -12.2146 million yuan, a year-on-year decrease of 167.13% [2]