Group 1 - Jiuan Medical plans to repurchase shares worth no less than 300 million yuan and no more than 600 million yuan, with a maximum repurchase price of 53.5 yuan per share, to maintain company value and shareholder rights [1] - The current share price of 38.19 yuan represents a discount of approximately 28% compared to the repurchase cap, signaling potential valuation recovery [1] - The repurchased shares are intended to be sold within 12 months after the announcement, providing short-term price stability and future funding flexibility for business transformation [1] Group 2 - Lingbei's drug Bexicaserin has been recognized as a breakthrough therapy by the National Medical Products Administration (NMPA) in China for treating developmental epileptic encephalopathy (DEE) [2] - Bexicaserin is a novel oral 5-HT2C receptor agonist designed to reduce cardiovascular risks, marking a significant milestone in Lingbei's development in China [2] Group 3 - Four Rings Pharmaceutical has announced an investment in Swiss medical aesthetics company Suisselle SA, strengthening their long-term partnership [3] - This investment allows Four Rings to maintain exclusive rights to the CELLBOOSTER® product in China and participate deeply in its operations and development [3] - The collaboration aims to accelerate the promotion and sales of Four Rings' self-developed aesthetic products in Europe and other overseas markets [3] Group 4 - Fudan Zhangjiang's application for the drug Obechol acid tablets for treating primary biliary cholangitis was not approved by the NMPA due to non-compliance with registration requirements [4] - The project has incurred approximately 125 million yuan in R&D investment, which will not significantly impact the company's current financial status [4] - The company needs to review the reasons for the rejection and optimize its pipeline to enhance future R&D efficiency [4] Group 5 - Sunshine Nuohuo's BTP4507 has received approval for clinical trials from the NMPA, targeting primary hypertension patients with inadequate response to monotherapy [5] - BTP4507 is a compound formulation designed to address multiple hypertension targets, catering to the needs of over 300 million hypertensive patients in China [5] - If successful in clinical trials, this drug could open new growth avenues for the company, although it will face competition from similar combination therapies [5]