● 根据 2025 年 8 月 21 日签署的股权转让协议及增资协议，收购方拟通过 协议转让、向浙江天普控股有限公司增资的方式，收购上市公司天普股份 （605255.SH）控制权（以下简称"本次交易"、"控制权变更事项"），本次交易 完成后，杨龚轶凡将成为上市公司实际控制人。 ● 收购方暂无资产注入计划。截至《详式权益变动报告书》签署日，收购 方暂无在未来 12 个月内改变上市公司主营业务或者对上市公司主营业务做出重 大调整的明确计划；暂无在未来 12 个月内对上市公司及其子公司的资产和业务 进行出售、合并、与他人合资或合作的明确计划，或上市公司拟购买或置换资 产的明确重组计划。 证券代码：605255 证券简称：天普股份 公告编号：2025-032 宁波市天普橡胶科技股份有限公司 股票交易异常波动暨股票交易风险提示性公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈 述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： ● 公司股票价格于 2025 年 8 月 29 日和 9 月 1 日涨停，连续 2 个交易日内 收盘价格涨幅偏离值累计达到 20%。根据《上 ...

Group 1 - The core viewpoint of the article emphasizes the volatility of the stock price of Cambrian Technology, which experienced a significant drop after reaching a record high, indicating potential risks in the semiconductor sector [2][4][7] - Cambrian Technology's stock price surged by 133.86% from July 28 to August 28, significantly outperforming major indices and most peers in the industry, raising concerns about the sustainability of this growth [7] - The company has projected an estimated revenue of 5 billion to 7 billion yuan for the year 2025, which is a preliminary forecast and does not constitute a commitment to investors [4][7] Group 2 - On August 28, Cambrian Technology issued a risk warning regarding its stock trading, highlighting the need for investors to be aware of the difference between plans, forecasts, and commitments [4][7] - Following a record high stock price of 1595.88 yuan, Cambrian Technology's stock fell by 6.01% on August 29, indicating a market correction after the rapid increase [2][7]

Group 1 - The core point of the article is that Northern Long Dragon (301357) has experienced a significant stock price increase of 117.87% over the past 30 trading days, which is substantially higher than the 13.05% increase in the industry and the 26.92% increase in the ChiNext index [1] - The company warns that despite the sharp rise in stock price, there has been no significant change in its fundamentals, indicating a potential overheating of market sentiment [1] - Investors are cautioned that participating in trading may involve considerable risks due to the current market conditions [1]

Core Viewpoint - The stock of Cambrian has experienced significant volatility, with a notable drop in early trading, but it has since recovered somewhat, reflecting market concerns about the company's future revenue projections and product announcements [1] Group 1: Stock Performance - On August 29, the three major indices opened mixed, with the Shanghai Composite Index and Shenzhen Component Index both down by 0.02%, while the ChiNext Index was up by 0.03% [1] - Cambrian's stock opened down by 6.8% and fell over 7% during the session, briefly trading below the price of Kweichow Moutai, but later rebounded to over 1500 yuan per share, with the intraday decline narrowing to below 5% [1] Group 2: Company Announcements - Cambrian issued a stock trading risk warning, acknowledging that there are market predictions regarding its operational performance [1] - The company projects that its total revenue for the year 2025 will be between 5 billion yuan and 7 billion yuan [1] - Cambrian clarified that it has no plans for new product releases and stated that recent online information regarding new products is misleading and false [1]

Core Viewpoint - Recent stock market prosperity has increased attention on chip companies, but two prominent chip firms have issued warnings regarding their stock performance and market risks [2][8]. Group 1: Company Performance and Predictions - Zhongke Hanwuji Technology Co., Ltd. forecasts an annual revenue of between 500 million to 700 million yuan for 2025, highlighting that this is a preliminary estimate and not a commitment to investors [2][5]. - The company's stock price increased by 133.86% from July 28, 2025, to August 28, 2025, significantly outpacing most peers and major indices [4][5]. - The company's rolling price-to-earnings (P/E) ratio is 5117.75 times, and the price-to-book (P/B) ratio is 113.98 times, both substantially higher than the industry averages of 88.97 times and 5.95 times, respectively [5][11]. Group 2: Market Risks and Stock Volatility - The company operates on a Fabless model, relying on various suppliers, which poses risks to supply chain stability, especially since some subsidiaries are on the "entity list" [3][12]. - Dongxin Semiconductor Co., Ltd. has experienced significant stock price fluctuations, with a cumulative increase of 207.85% from July 29, 2025, to August 28, 2025, and an average turnover rate of 11.77%, indicating potential market overheating [9][11]. - Dongxin acknowledges that its stock valuation is excessively high, with a rolling P/E ratio reported as negative, contrasting with the industry average of 53.35 [9][11]. Group 3: Product Development and Market Competition - Dongxin has no new product release plans, and recent information circulating about new products is deemed misleading [2][10]. - The company faces several risks related to its investment in Shanghai Lishuan Technology Co., Ltd., including industrialization progress, market competition, and reliance on a single product, the "7G100" GPU [12][13].

8月28日，寒武纪-U再次大涨，收盘上涨15.73%，股价报收1587.91元/股，一举超过贵州茅台，成为A股 第一高价股。该股昨日盘中股价曾短暂超越贵州茅台，但收盘回落，今日为历史上首次收盘价位居A股 第一。 8月28日晚，寒武纪发布股票交易风险提示公告。 公告称，公司2025年8月28日收盘价相较于2025年7月28日收盘价上涨133.86%，公司股价涨幅超过大部 分同行业公司股价涨幅且显著高于科创综指、科创50、上证综指等相关指数涨幅，股票价格存在脱离当 前基本面的风险，投资者参与交易可能面临较大风险。敬请广大投资者务必充分了解二级市场交易风 险，切实提高风险意识，理性投资并注意投资风险。 一、全年经营预测 公司关注到近期市场上存在部分对公司经营情况的预测，公司结合实际情况，预计2025年全年实现营业 收入500,000万元至700,000万元。上述经营预测等前瞻性内容，系公司管理层的初步预测，不构成公司 对任何投资者的实质承诺。投资者及相关人士均应对此保持足够的风险认识，并且应当理解计划、预测 与承诺之间的差异，注意投资风险。 三、公司供应链稳定的风险 公司采用Fabless模式经营，供应商包括IP授 ...

Core Viewpoint - The company has experienced significant stock price fluctuations, with a cumulative increase of 20% over three consecutive trading days, indicating abnormal trading activity [1] Market Trading Risk - The company's stock price has shown a cumulative increase of 20% over three consecutive trading days from August 20 to August 22, 2025, which is classified as abnormal trading activity [1] - The company's price-to-book ratio is 0.87, which is higher than the industry average [1] Financial Performance - The company reported net losses for the years 2022, 2023, and 2024, amounting to -323.11 million, -390.15 million, and -457.04 million respectively [2] - For the first half of 2025, the company anticipates a net loss between -33 million and -22 million, with a projected net loss excluding non-recurring items between -75 million and -64 million [2] Major Events Risk - The company is in the process of integrating Beijing Shudu Information Technology Co., Ltd. as part of its transformation strategy, which has been approved by the board [2] - Shudu Technology reported net losses of -62.57 million, -137.88 million, and -35.98 million for the years 2023, 2024, and the first half of 2025 respectively [2] Management and Governance - The company's actual controller and chairman, Mr. Wang Yihui, is currently under investigation, but the board has appointed Mr. Qian Jinzhu to assume his responsibilities to ensure stable operations [3] - The company maintains a robust corporate governance structure and internal control system to support its operational activities [3] Shareholder Pledge and Freeze Risk - As of the announcement date, the controlling shareholder holds 642,638,930 shares, representing 33.99% of the total shares, with 624,433,330 shares pledged, accounting for 97.17% of their holdings [3] - Among the unpledged shares, 18,205,600 shares are frozen, representing 2.83% of the total shares held [3] Other Risk Alerts - The company has stated that there are no other significant matters affecting stock price fluctuations beyond those already disclosed [3]

Market Trading Risks - The stock of Ningbo Shimao Energy Co., Ltd. experienced a cumulative price deviation of 20% over three consecutive trading days from August 19 to August 21, 2025, leading to a significant price increase [1][2] - On August 22, 2025, the stock closed at the daily limit price, resulting in a total price increase of approximately 46.43% over four consecutive trading days, despite no significant changes in the company's fundamentals [1][2] Production and Operational Risks - In the first quarter of 2025, the company reported operating revenue of 77.2725 million yuan, a year-on-year decrease of 16.14%, and a net profit of 21.8546 million yuan after deducting non-recurring items, down 35.66% year-on-year [2][3] - The decline in revenue was attributed to decreased thermal sales, lower sales prices, and increased fixed asset depreciation [3] Valuation Risks - As of August 22, 2025, the company's price-to-earnings (P/E) ratio was 27.53 and the price-to-book (P/B) ratio was 3.6, both significantly higher than the industry averages of 18.38 for P/E and 1.6 for P/B [2][3] Other Risk Disclosures - The company has not disclosed any significant undisclosed matters that should be reported according to the Shanghai Stock Exchange's listing rules, including major asset restructuring, share issuance, or strategic investments [3]

Core Viewpoint - The stock of Shandong Huapeng Glass Co., Ltd. has experienced significant price increases, with consecutive trading days of price limits, prompting the company to issue a risk warning to investors regarding market trading risks [1][2]. Group 1: Market Trading Risks - The company's stock reached price limits on August 15, 18, 19, 20, and again on August 22, 2025, indicating a substantial short-term price increase [1]. - The latest price-to-book ratio is 55.75, which is significantly higher than the industry average, raising concerns about potential overvaluation [1]. Group 2: Operational Risks - The net profit attributable to shareholders is projected to be between -52 million and -70 million, indicating operational losses [2]. - There have been no significant changes in the company's main business, operational conditions, or operating environment compared to previous disclosures [2]. Group 3: Other Risk Warnings - The company has faced continuous net losses over the last three accounting years, leading to uncertainty regarding its ability to continue as a going concern, which has resulted in additional risk warnings since April 23, 2025 [2]. - As of the announcement date, there are no undisclosed significant matters related to major asset restructuring, share issuance, or other significant transactions [2].

Core Viewpoint - The company has experienced significant stock price fluctuations, with a cumulative increase of over 12% in closing prices on specific dates, leading to a classification of abnormal trading conditions [1][2] Group 1: Stock Price Fluctuations - The company's stock price showed abnormal volatility on August 14, 15, and 18, 2025, with a cumulative closing price increase exceeding 12% [1] - The company confirmed that there are no major undisclosed events affecting stock trading, including significant asset restructuring or major transactions [1][2] Group 2: Financial Performance - The company anticipates a net loss attributable to shareholders ranging from -36 million to -19.5 million yuan for the first half of 2025 [2] - The company has been experiencing continuous losses since 2022, indicating ongoing pressure on financial performance [2] Group 3: Investor Advisory - The company urges investors to make prudent decisions and be aware of trading risks due to recent stock price volatility [1][2] - The company emphasizes that all relevant information should be verified through official announcements on the Shanghai Stock Exchange website and designated media [2]