Market Overview - The A-share market experienced fluctuations, with the three major indices initially rising before turning negative, but ultimately closing in the green. The total trading volume in the Shanghai and Shenzhen markets reached 1.6 trillion yuan, a decrease of 40 billion yuan compared to the previous trading day, with over 4,400 stocks rising [1]. Sector Performance - The commercial aerospace sector showed strong performance, with stocks such as Hailanxin (300065) and Aerospace Development (000547) hitting the daily limit. Other stocks like Jili Suoju (002342) and Tongyu Communication (002792) also saw significant gains [3]. - The photovoltaic sector continued to strengthen, with stocks like Shuangliang Energy (600481) and Aotewi hitting the daily limit. The chemical sector also saw gains, with Hongbaoli (002165) achieving two consecutive limits and Wanfeng Shares (603172) achieving four consecutive limits [3]. - Conversely, gold-related stocks continued to decline, with companies like Sichuan Gold (001337) and Zhaojin Gold (000506) hitting the daily limit down [3]. Notable Stock Movements - The stock price of domestic AI chip leader Cambricon experienced a significant drop, falling nearly 13% to 1,082 yuan per share, with the company's market capitalization dropping to around 450 billion yuan [3]. - This price movement may be attributed to the company's 2025 earnings forecast, which indicated a slowdown in quarterly growth. The forecast for the fourth quarter's net profit was estimated to be between 245 million yuan and 545 million yuan, representing a decline of 3% to 56% compared to the previous quarter [5]. Hong Kong Market Trends - In the Hong Kong market, the Hang Seng Technology Index fell over 3%, with major stocks like Baidu, Tencent, Alibaba, Meituan, and JD.com all experiencing declines [5]. - Analysts suggest that the overall weak market environment and reduced risk appetite have contributed to the collective weakness of tech stocks. Tencent's stock price decline may also be linked to its suspension of share buybacks, which had previously supported its stock price [6].

针对市场关切，寒武纪方面公开回应称"暂不清楚股价大跌的具体原因"。此次大跌也拖累整个半导体板 块及科创50指数走弱。有分析认为，估值高企以及市场对AI芯片行业竞争加剧的担忧，或是导致资金 出逃的主因。（第一财经记者 魏中原） 2月3日早盘，寒武纪股价遭遇重挫，跌幅一度扩大至13.38%，截至午市收盘报1082.09元，跌12.88%， 单日市值蒸发近700亿元，创下自2025年9月4日（单日跌14.45%）以来的最大单日跌幅，也是2024年9 月24日以来第二大单日跌幅。这是该公司上市以来罕见的剧烈回调，当前股价较最高点累计回撤约32% ...

新浪科技讯 2月3日上午消息，寒武纪股价盘中大幅跳水，一度跌近14%，总市值回落到4500亿元左 右。 就公司股价大幅度下滑一事，寒武纪相关工作人员回应新浪科技称："不清楚股价波动原因，市场上很 多传闻也都是假的，请大家理性看待二级市场资金情绪的波动。" 责任编辑：宋雅芳 新浪科技讯 2月3日上午消息，寒武纪股价盘中大幅跳水，一度跌近14%，总市值回落到4500亿元左 右。 就公司股价大幅度下滑一事，寒武纪相关工作人员回应新浪科技称："不清楚股价波动原因，市场上很 多传闻也都是假的，请大家理性看待二级市场资金情绪的波动。" 责任编辑：宋雅芳 ...

今日，寒武纪（SH688256）股价盘中大幅跳水，一度跌近14%，总市值回落到4500亿元左右。就公司 股价跳水一事，记者以投资者身份致电寒武纪董秘办，接线工作人员表示："这个（股价波动原因）我 们不太清楚，首先就是市场上很多的传闻，这肯定都是假的。然后二级市场资金、情绪的波动还是比较 多的，大家理性对待。" ...

2月3日早盘，寒武纪持续走低，截至11时20分，跌幅为13.86%，股价报1069.81元/股，总市4511亿元。此外，国产AI芯片板块多股走低，摩尔线程跌 4.91%，沐曦股份跌5.30%，海光信息跌2.56%。 上证报中国证券网讯（记者 王玉晴）2月3日早盘，寒武纪持续走低，截至11时20分，跌幅为13.86%，股价报1069.81元/股，总市4511亿元。此外，国产AI芯 片板块多股走低，摩尔线程跌4.91%，沐曦股份跌5.30%，海光信息跌2.56%。 K线 5日 ▽ 5 15 30 60 日 周 月 更多周期 ~ 走势叠加 ~ 竞价 ~ 到价提醒 大单格 ◁》 股东大会：于2026-02-06召开2026年第一次临时股东大会 摩尔线程-U 542.01 -4.91% 分时 均线 所属行业: 半导体 603.80 (2 595.35 586.90 578.45 570.00 561.55 V 553.10 544.65 536.20 252 |||||1 126 IIII III Hollillindo... Landmin | | MACD (12,26,9) DIF:-0.1257 ↑ DEA:- ...

Core Viewpoint - Cambricon, a leading player in the A-share technology sector, has experienced significant stock price fluctuations, with a peak market value exceeding 670 billion yuan and a subsequent decline of nearly 30% since January 12, bringing its market value to approximately 450 billion yuan [1][2]. Group 1: Company Performance - Cambricon's core business logic revolves around three main aspects: accelerated domestic substitution, explosive demand for large model inference, and its industry-leading position as a "Chinese NVIDIA" [2]. - The company anticipates a substantial increase in revenue, projecting 6 billion to 7 billion yuan for the full year of 2025, representing a year-on-year growth of 410.87% to 496.02% [2]. - Expected net profit, excluding non-recurring gains and losses, is forecasted to be between 1.6 billion to 1.9 billion yuan, with net profit attributable to shareholders estimated at 1.85 billion to 2.15 billion yuan [2]. Group 2: Market Dynamics - The demand for AI chips is rapidly increasing due to geopolitical factors, with domestic cloud service providers and internet giants seeking self-controlled AI chips, benefiting Cambricon directly [2]. - The rapid development of local large models, exemplified by DeepSeek, has led to a strong demand for high-performance AI inference chips [2]. - Cambricon's technological accumulation in AI chip architecture design and hardware-software collaboration is beginning to show its value in the market [2]. Group 3: Recent Developments - Cambricon's fundraising application for 3.985 billion yuan has been approved by the Shanghai Stock Exchange, with the funds intended for the development of large model chips and software platforms [2]. - The company has responded to recent stock price fluctuations, stating that it is unclear about the specific reasons behind the market rumors and encourages rational engagement from investors [2].

Group 1 - The core viewpoint is that domestic AI chip companies, particularly Cambricon, experienced significant stock price declines, with Cambricon's market value falling below 460 billion yuan [1] - Cambricon's stock price dropped over 13%, closing at 1,083.34 yuan, reflecting a decrease of 12.77% [2] - Other AI chip companies also faced declines, with Moer Technology down over 5% to 542.50 yuan, Huagong Information down over 3% to 247.40 yuan, and Muxi Co., Ltd. down 6% to 501.18 yuan [1][2]

Group 1 - The core viewpoint of the article highlights a significant decline in the stock prices of domestic AI chip companies, with Cambricon's stock dropping over 13%, leading to a market capitalization below 460 billion yuan [1] - Other AI chip companies also experienced declines, with Moore Threads down over 5%, Haiguang Information down over 3%, and Muxi Co., Ltd. down 6% [1] Group 2 - Cambricon's stock price is reported at 1083.34 yuan, reflecting a decrease of 12.77% or a drop of 158.66 yuan [2] - Moore Threads' stock price is at 542.50 yuan, showing a decline of 4.82% or a decrease of 27.50 yuan [2] - Muxi Co., Ltd. has a stock price of 501.18 yuan, down 5.46% or 28.92 yuan [2] - Haiguang Information's stock price stands at 247.40 yuan, with a decrease of 1.94% or 4.90 yuan [2]

（文章来源：每日经济新闻） 今日，寒武纪（SH688256）股价盘中大幅跳水，一度跌近14%，总市值回落到4500亿元左右。就公司 股价跳水一事，《每日经济新闻》记者以投资者身份致电寒武纪董秘办，接线工作人员表示："这个 （股价波动原因）我们不太清楚，首先就是市场上很多的传闻，这肯定都是假的。然后二级市场资金、 情绪的波动还是比较多的，大家理性对待。" ...

每经北京2月3日电（记者可杨）今日，寒武纪（SH688256）股价盘中大幅跳水，一度跌近14%，总市 值回落到4500亿元左右。就公司股价跳水一事，《每日经济新闻》记者以投资者身份致电寒武纪董秘 办，接线工作人员表示："这个（股价波动原因）我们不太清楚，首先就是市场上很多的传闻，这肯定 都是假的。然后二级市场资金、情绪的波动还是比较多的，大家理性对待。" ...