Market Overview - As of November 21, the Shanghai Composite Index closed at 3834.89 points, down 96.16 points, a decline of 2.45% [1] - The Shenzhen Component Index closed at 12538.07 points, down 442.75 points, a decline of 3.41% [1] - The ChiNext Index closed at 2920.08 points, down 122.26 points, a decline of 4.02% [1] Trading Activity - A total of 91 A-shares had a turnover rate exceeding 20% on this day [1] - Notable stocks with high turnover rates included: - Dapeng Industrial (920091) with a turnover rate of 98.28% and a price increase of 1211.11% [1] - Jianglong Shipbuilding (300589) with a turnover rate of 55.14% and a price increase of 14.50% [1] - C Nanshan Data (301638) with a turnover rate of 52.72% and a price increase of 0.91% [1] Notable Stocks - Other significant stocks with high turnover rates included: - C Hengkun (688727) with a turnover rate of 46.22% and a price decrease of 11.47% [1] - Inspur Software (600756) with a turnover rate of 46.20% and a price increase of 6.76% [1] - ST Dongtong (300379) with a turnover rate of 44.50% and a price increase of 4.15% [1] - Additional stocks with notable performance included: - Shennong Agriculture (300189) with a turnover rate of 42.82% and a price increase of 3.67% [1] - Beifang Changlong (301357) with a turnover rate of 42.52% and a price increase of 0.68% [1]

证券代码：300538 证券简称：同益股份 编号：2025-002 深圳市同益实业股份有限公司 投资者关系活动记录表 | | 分析师会议 □特定对象调研 □ | | --- | --- | | | 媒体采访 业绩说明会 □ □ | | 投资者关系活动 | □ 新闻发布会 □ 路演活动 | | 类别 | | | | □ 现场参观 | | | 其他 年度深圳辖区上市公司投资者网上集体接待日活 ☑ 2025 | | | 动 | | 参与单位名称及 | 参与公司本次投资者集体接待日活动的投资者 | | 人员姓名 | | | 时间 | 年 月 日 2025 11 20 (周四) | | 地点 | "全景路演"网站（https://ir.p5w.net） | | | 董事长：邵羽南 | | 上市公司接待人 | 副总经理、财务负责人：张静萍 | | 员姓名 | 董事会秘书：赵东宇 | | | 独立董事：陈辉祥 | | | 交流环节： 1、公司板棒材产品的下游应用领域？ | | | 答：尊敬的投资者，您好。公司板棒材业务应用领域广阔， | | | 产品可应用于无人机、新能源汽车、航天航空、智能穿戴等领域。 | | | 感谢您 ...

Core Viewpoint - Tongyi Co., Ltd. (300538.SZ) has stated that it has not yet established any cooperation with NVIDIA [1] Group 1 - The company has communicated with investors regarding its current status of collaboration with NVIDIA [1]

Market Overview - On November 18, A-shares experienced a collective decline, with the Shanghai Composite Index down 0.56%, Shenzhen Component Index down 0.43%, and ChiNext Index down 0.43% [1] - The semiconductor sector showed resilience, with Jingyi Equipment rising over 12%, while the power battery sector faced significant losses, with Shida Shenghua hitting the daily limit down [1] - The overall market saw a trading volume of nearly 1.3 trillion yuan, an increase of over 10 billion yuan compared to the previous trading day, with more than 4,000 stocks declining [1] Semiconductor Sector - Tongyi Co., Ltd. (300538) saw a significant rise of over 8% in the morning session, reaching a "20cm" limit up within 4 minutes [3][5] - The semiconductor sector's long-term development logic remains intact despite recent weak performance, with supply chain security and self-sufficiency being key trends [5] - The storage cycle is on an upward trajectory, driven by accelerating demand in the AI era, leading to a continuous expansion of the supply-demand gap [5] Alibaba Concept Stocks - Alibaba concept stocks strengthened on November 18, with notable gains including Zhidema rising over 14% and several other stocks hitting the daily limit up [7] - Ant Group launched a multi-modal AI assistant named "Lingguang," which can generate small applications in 30 seconds using natural language, marking a significant step in its AGI strategy [9] - Alibaba announced the "Qianwen" project to enter the AI to C market, aiming to create a personal AI assistant that can interact with users and assist in various tasks [9]

Market Overview - On November 18, A-shares experienced a collective decline, with the Shanghai Composite Index down 0.56%, Shenzhen Component down 0.43%, and ChiNext down 0.43% [2] - The semiconductor sector showed resilience, with Jingyi Equipment rising over 12%, while the power battery sector faced significant losses, with Shida Shenghua hitting the daily limit down [2] - The overall market saw a trading volume of nearly 1.3 trillion yuan, an increase of over 10 billion yuan compared to the previous trading day, with over 4,000 stocks declining [2] Semiconductor Sector - Semiconductor stocks, including multiple photolithography concept stocks, saw gains, with Kaimeteqi hitting the daily limit up and other stocks like Lihua Xing and Xinlai Yicai rising over 4% [6] - Despite a weak overall performance last week, the long-term development logic supporting the semiconductor sector remains unchanged, focusing on supply chain security and self-sufficiency [6] - The storage cycle is on an upward trend, driven by accelerating demand in the AI era, leading to a continuous expansion of the supply-demand gap [6] Alibaba Concept Stocks - Alibaba concept stocks strengthened in the A-share market, with Zhidingmai rising over 14% and several other stocks hitting the daily limit up [7] - Ant Group launched a multimodal AI assistant named "Lingguang," which can generate small applications in 30 seconds using natural language, marking a significant step in its AGI strategy [9] - Alibaba announced the "Qianwen" project to enter the AI to C market, offering a personal AI assistant that can interact with users and assist in various tasks [9]

Market Overview - A-shares continued to experience high volatility, with cyclical sectors such as real estate, non-ferrous metals, and coal collectively adjusting, leading to declines in the three major stock indices [1] - As of the midday break, the Shanghai Composite Index was at 3949.83 points, down 0.56%, while the Shenzhen Component Index and the ChiNext Index fell by 0.43% each [1][2] A-share Index Performance - The Shanghai Composite Index closed at 3949.83, down 22.20 points (-0.56%) - The Shenzhen Component Index was at 13145.00, down 57.00 points (-0.43%) - The ChiNext Index recorded a decline of 0.43%, closing at 3091.87 [2] AI Application Sector - The AI application sector showed strong performance, with multiple stocks hitting the 20% limit up, including Fushi Holdings and Xuan Ya International [3] - The advertising marketing index surged by 4.78%, while the digital media index rose by 3.93% [3] - Alibaba announced the launch of the "Qianwen" project, which is now in public beta, aiming to establish itself as a personal AI assistant [4][5] Light-Curing Adhesive Sector - The light-curing adhesive sector saw significant movement, with Tongyi Co. experiencing a rapid increase, hitting a 20% limit up within three minutes [6] - The first EUV light-curing adhesive standard in China was announced, with public consultation starting on October 23 and ending on November 22 [6][8] - The standard's drafting units include Shanghai University and Shanghai Microelectronics Equipment Group [6] Investment Insights - The semiconductor manufacturing process heavily relies on photolithography technology, which is the most complex and costly key process [8] - The demand for semiconductors is expected to drive continuous growth in the photolithography equipment market [8]

Market Overview - The market experienced fluctuations in early trading, with the Shanghai Composite Index closing down by 0.56%, the Shenzhen Component Index down by 0.43%, and the ChiNext Index also down by 0.43% [1][2] - The total trading volume in the Shanghai and Shenzhen markets reached 1.28 trillion yuan, an increase of 16.6 billion yuan compared to the previous trading day [1][2] Sector Performance - The AI application sector saw significant gains, with stocks like Rongji Software and Inspur Software achieving consecutive gains, and over ten stocks hitting the daily limit [1][2] - The semiconductor sector was also active, with Tongyi Co. and Longxin Co. both hitting the daily limit [1][2] - The robotics sector showed localized strength, with Shoukai Co. achieving three gains in five days [1][2] Declining Sectors - The Fujian and lithium battery sectors experienced collective declines, with the Fujian sector suffering heavy losses, leading to multiple stocks like Fujian Jinsen and Fujian Cement hitting the daily limit down [1][2] - The lithium battery sector showed weakness, with Shida Shenghua hitting the daily limit down [1][2] Summary of Key Stocks - Notable stocks include Rongji Software, Shida Shenghua, Fujian Cement, Tongyi Co., Fujian Jinsen, Xuanyuan International, Inspur Software, Shoukai Co., and Longxin Co. [2][3]

Core Viewpoint - Tongyi Co., Ltd. (300538) has stated on its interactive platform that it has not yet established a partnership with NVIDIA [1] Company Summary - Tongyi Co., Ltd. has clarified its current status regarding collaboration with NVIDIA, indicating no ongoing partnership at this time [1]

Core Viewpoint - The company, Tongyi Co., has not established any collaboration with NVIDIA as of November 18 [1] Group 1 - An investor inquired about a potential partnership between Tongyi Co. and NVIDIA on an investor interaction platform [1] - Tongyi Co. confirmed that there is currently no cooperation with NVIDIA [1]

Core Viewpoint - The A-share market is experiencing a strong performance in the photolithography machine concept stocks, with notable gains in several companies [1] Company Performance - Tongyi Co., Ltd. reached a 20% limit up in stock price [1] - KMTQ Co., Ltd. saw a 10% increase in stock price [1] - Other companies such as Northern Huachuang, Chipsource Micro, New Lai Materials, and Jinsai Technology also experienced upward movement in their stock prices [1]