Core Insights - The discussion on "Is Calculus Really Difficult?" has gained significant attention on Zhihu, attracting top scholars and engaging a wide audience in a dialogue that combines academic depth with public interest [1][2] Group 1: Academic Contributions - Ma Xiao, an assistant professor at the University of Michigan, recently made a breakthrough in the study of Hilbert's sixth problem, which had been dormant for 125 years [1] - Wang Mengdi, a professor at Princeton University, suggests that calculus may serve as a "natural language of the universe," simplifying complex operations into intuitive actions [2] Group 2: Community Engagement - The event coincides with China's first official Science Popularization Month in September, marking the launch of Zhihu's 2025 Science Season [2] - Zhihu aims to create a platform for public scientific dialogue, enhancing the accessibility and engagement of scientific discussions within the community [2]

Core Viewpoint - The Nasdaq China Golden Dragon Index experienced a significant drop of over 3%, marking the largest decline since August 27 [1] Company Performance - Kingsoft Cloud fell by 9% [1] - GDS Holdings, Daqo New Energy, and NIO all dropped by over 7% [1] - Upstart, JinkoSolar, Xiaopeng Motors, Zhihu, and WeRide saw declines of over 6% [1] - Bilibili, Alibaba, Baidu, and JD.com each fell by over 5% [1]

Core Insights - The article emphasizes the growing consumer interest in gut health and the need for professional evaluation of probiotic products due to market inconsistencies in labeling and effectiveness [1] Group 1: Product Evaluation - Zhuoyue Probiotics contains 300 billion CFU of active bacteria per serving, verified by third-party testing, ensuring consumers receive the actual viable count [3] - The formulation includes 36 clinically validated probiotic strains and 11 prebiotics, supporting gut health without added sugars or artificial ingredients, meeting high purity standards [4] - Advanced triple-layer microencapsulation technology ensures over 98% survival of probiotics in acidic environments, enhancing their effectiveness in gut intervention [5] Group 2: Market Performance - Zhuoyue Probiotics has consistently ranked among the top-selling probiotics on platforms like Tmall and JD for three years, with a repurchase rate at a high industry level and a 98% positive feedback rate [6] - The product is backed by research from the Chinese Academy of Sciences and has undergone rigorous testing, including a randomized controlled trial showing significant improvements in bowel regularity and reduced bloating [8][9] Group 3: Consumer Trust and Safety - The product is insured for quality and has received GRAS and QPS certifications, indicating its safety for daily use among adults and adolescents [9] - Positive consumer feedback highlights the product's effectiveness in alleviating digestive issues, with many users reporting significant improvements [11] Group 4: Recommendations for Consumers - The article advises consumers to choose probiotics with clear ingredient lists, verified active bacteria counts, and advanced encapsulation technologies to ensure efficacy [19] - Zhuoyue Probiotics is recommended as a reliable choice due to its rigorous quality control, scientific backing, and understanding of local gut health needs [20]

股份發行人及根據《上市規則》第十九B章上市的香港預託證券發行人的證券變動月報表 截至月份: 2025年9月30日 狀態: 新提交 致：香港交易及結算所有限公司 公司名稱: 知乎 呈交日期: 2025年10月8日 I. 法定/註冊股本變動 | 1. 股份分類 | 不同投票權架構公司普通股 | 股份類別 | A | | 於香港聯交所上市 (註1) | | 是 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 證券代號 (如上市) | 02390 | 說明 | | | | | | | | | | 法定/註冊股份數目 | | | 面值 | | 法定/註冊股本 | | | 上月底結存 | | | 1,550,000,000 | USD | | 0.000125 USD | | 193,750 | | 增加 / 減少 (-) | | | 0 | | | USD | | | | 本月底結存 | | | 1,550,000,000 | USD | | 0.000125 USD | | 193,750 | | 2. 股份分類 | 不同投票權架構公司普通股 ...

Core Viewpoint - Zhihu Inc. announced the resignation of Mr. Bin Sun as the chief technology officer effective September 30, 2025, due to personal reasons [1][2]. Company Overview - Zhihu Inc. is a leading online content community in China, established in 2010, and has grown to become the largest Q&A-inspired online content platform in the country [2].

Core Points - Zhihu-W (02390.HK) announced the issuance of 5,291,400 Class A ordinary shares to a custodian for future issuance of American Depositary Shares based on the 2012 and 2022 share incentive plans [1] Summary by Category - **Company Actions** - The company will issue 5,291,400 Class A ordinary shares on September 26, 2025 [1] - These shares are intended for future issuance of American Depositary Shares as part of the 2012 and 2022 share incentive plans [1]

Core Viewpoint - Zhihu-W (02390) announced the issuance of 5.2914 million Class A ordinary shares to a custodian for future issuance of American Depositary Shares (ADS) related to the 2012 and 2022 share incentive plans [1] Group 1 - The company will issue 5.2914 million Class A ordinary shares on September 26, 2025 [1] - The shares are intended for future awards granted under the 2012 and 2022 share incentive plans [1]

智通财经APP讯，知乎-W(02390)发布公告，于2025年9月26日发行529.14万股A类普通股予以存托人用 作日后因根据2012年股份激励计划及 2022年股份激励计划授出的奖励获行使或归属而发行的美国存托 股份。 ...

FF305 翌日披露報表 (股份發行人 ── 已發行股份或庫存股份變動、股份購回及/或在場内出售庫存股份) FF305 備註： 上述 "已發行股份（不包括庫存股份）變動佔有關事件前的現有已發行股份（不包括庫存股份）數目百分比"一欄中的百分比是根據公司已發行股份總數264,571,454股 （包括249,124,676股 A 類普通股和15,446,778股 B 類普通股）計算得出。 為免生疑問，已發行和流通的 A 類普通股期初和期末餘額（即不包括為批量發行美國存託股票而向託管人發行的 A 類普通股，該等美國存託股預留用於根據股權激勵計畫 授予的獎勵行使或歸屬時的未來發行）分別為248,340,194股和248,757,056股。 第 2 頁 共 6 頁 v 1.3.0 表格類別： 股票 狀態： 新提交 公司名稱： 知乎 呈交日期： 2025年9月28日 如上市發行人的已發行股份或庫存股份出現變動而須根據《香港聯合交易所有限公司（「香港聯交所」）證券上市規則》(「《主板上市規則》」)第13.25A條 / 《香港聯合交易所有限公司GEM證券 上市規則》(「《GEM上市規則》」)第17.27A條作出披露，必須填妥第 ...

Core Insights - The 2025 Yunqi Conference was held in Hangzhou from September 24 to 26, focusing on the theme "Cloud Intelligence Integration and Carbon-Silicon Symbiosis," showcasing the evolution of AI technology and its industrial applications [1] - Zhihu actively participated in the conference, presenting its AI ecosystem, including Zhihu Direct Answer, open-source models, the AI Pioneer List, and an upcoming "AI Era Developer White Paper" [1] Group 1: AI Model and Application Development - Zhihu, as one of the first domestic tech companies to obtain a model license, has been advancing model research and open-source initiatives, recently releasing the Zhi-Create-Qwen-32B model optimized for creative writing tasks, achieving significant improvements in writing capabilities [3] - Zhihu Direct Answer has accumulated over 10 million users and announced an upgrade to Agentic, which introduces intelligent thinking modes to better understand user intent and provide precise answers through multi-round searches [3] Group 2: Community Engagement and Industry Exchange - Zhihu's community, known for its expert network and high-quality content, plays a crucial role in fostering industry discussions and exchanges, making it a platform for developers to showcase projects and share insights [5] - The "Answerer Exploration Team" participated in the conference, allowing users to experience AI products and industry trends, while the upcoming "AI Era Developer White Paper" aims to present insights and stories from developers [5] Group 3: Future Directions and Collaboration - Zhihu emphasizes the importance of creativity and adaptability in the AI era, highlighting that human creativity and emotional expression are irreplaceable by AI in the short term [6] - The company aims to collaborate with more partners and developers across various fields, including models, data, and applications, to drive AI innovation and ecosystem prosperity [6]