Ge Long Hui·2025-05-20 09:49Market Overview - On May 20, the Shanghai Composite Index rose by 0.38%, the Shenzhen Component Index increased by 0.77%, and the ChiNext Index also gained 0.77%. The total market turnover reached 1.2112 trillion yuan, an increase of 92.3 billion yuan compared to the previous day, with over 3,800 stocks rising [1]. Sector Performance - The leading sectors included beauty care, pet economy, innovative pharmaceuticals, and IP economy, which showed strong performance throughout the day [1]. Notable Stocks - Xue Rong Biological (300511): Closed at 6.88 yuan, up 20.07%, with a turnover of 681 million yuan [2]. - Da Yuan Pet (301335): Closed at 44.50 yuan, up 20.01%, with a turnover of 1.043 billion yuan [2]. - Hui Bo Yun Tong (301316): Closed at 34.80 yuan, up 20.00%, with a turnover of 53.77 million yuan [2]. - Man Ka Long (300945): Closed at 20.16 yuan, up 20.00%, with a turnover of 55.6 million yuan [2]. - Jin Li Hua Shen (300068): Closed at 23.40 yuan, up 20.00%, with a turnover of 1.4 million yuan [2]. Trading Dynamics - A total of 77 stocks hit the daily limit, with 28 stocks achieving consecutive limit-ups. The limit-up rate was 72% (excluding ST and delisted stocks) [3]. - Focus stocks included Suzhou Longjie and Yingfeng Co., which experienced significant rebounds in the afternoon [3]. Institutional Activity - The top three net purchases on the day were by O-film Tech (002456) with 311 million yuan, Li Yang Chip (688135) with 233 million yuan, and Zhongzhou Special Materials (300963) with 199 million yuan [5]. - The top three net sales were by Li Jun Co. (002651) with 169 million yuan, Ningbo Ocean Shipping (600798) with 109 million yuan, and Yong'an Pharmaceutical (002365) with 7.5 million yuan [6]. Company Highlights - O-film Tech (002456): Announced a restructuring plan to acquire 28.2461% of O-film Microelectronics, aiming for full control of the company. The stock rose by 9.97% with a turnover of 4.738 billion yuan [12]. - Beingmate (002570): Focuses on infant formula and has expanded into cross-border e-commerce and probiotics. The stock rose by 10.07% with a turnover of 1.632 billion yuan [16]. - Ming Wang Technology (002123): Proposed acquisition of control over Bicheng Digital, a significant move in the e-commerce sector. The stock rose by 10.04% with a turnover of 2.6 billion yuan [20]. Summary of Key Stocks - Zhongzhou Special Materials (300963): Increased by 6.46% with a turnover of 2.985 billion yuan, attracting significant institutional interest [21]. - Yifang Bio (688382): Rose by 15.62% with a turnover of 4.76 billion yuan, indicating strong market confidence [23]. - Red Treasure (002165): Experienced a decline of 4.36% with a turnover of 2.991 billion yuan, reflecting selling pressure from institutions [27].