股价异常波动

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刚刚!寒武纪,跳水!
券商中国· 2025-08-29 01:49
昨日(8月28日),芯片股集体大涨,寒武纪涨超15%,股价超越贵州茅台,登顶A股,成为新"股王"。当日晚间,寒武 纪公告称,公司股价涨幅过大,投资者参与交易可能面临较大风险。此外,公司预计2025年全年营业收入为50亿元至70 亿元。 此外,28日晚间,芯片大牛股东芯股份因多次触及异常波动及严重异常波动情形,股票自8月29日开市起停牌核查。 "寒王"刷屏! 8月29日早盘,寒武纪开盘下跌6.8%,股价报1480元/股,市值缩水至6192亿元。另外,中芯国际A股开盘下跌4.38%。 寒武纪开盘大跌 在昨晚发布公告提示风险后,寒武纪今日早盘开盘下跌6.80%。 消息面上,寒武纪8月28日晚间在上交所发布股票交易风险提示公告称,公司8月28日收盘价相较于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。 寒武纪表示,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 ...
寒武纪发布风险提示公告,东芯股份停牌核查
Zhong Guo Ji Jin Bao· 2025-08-28 13:42
Core Viewpoint - The company, Cambrian, has issued a risk warning regarding its stock price surge, which has increased by 133.86% from July 28 to August 28, 2025, indicating a potential disconnection from its current fundamentals [3][5][9]. Group 1: Risk Warning - Cambrian's stock price has risen significantly, surpassing most of its industry peers and major indices, suggesting a risk of detachment from its fundamental performance [3][5][9]. - The company emphasizes that investors should be aware of the substantial risks associated with trading in the secondary market [5]. Group 2: Annual Performance Guidance - Cambrian forecasts its total revenue for 2025 to be between 5 billion CNY and 7 billion CNY, which is a preliminary estimate and does not constitute a formal commitment to investors [6]. Group 3: Product Release Plans - The company has no plans for new product releases, and recent online information regarding new products is deemed misleading [7]. Group 4: Supply Chain Stability Risks - Cambrian operates under a Fabless model, relying on various suppliers. The company faces potential risks to its supply chain stability due to its inclusion on the "entity list," which may adversely affect its operational performance [8]. Group 5: Stock Price Performance - On August 28, 2025, Cambrian's stock closed at 1587.91 CNY, marking a 15.73% increase for the day and making it the new "king of A-shares," surpassing Kweichow Moutai's closing price [13]. - The stock has seen a year-to-date increase of over 140% [13]. Group 6: Financial Performance - In the first half of 2025, Cambrian reported a revenue of 2.881 billion CNY, a year-on-year increase of 4347.82%, and a net profit attributable to shareholders of 1.038 billion CNY [15].
关灯吃面!晋级5连板失败:1.3亿资金打板一天浮亏超17%
Xin Lang Cai Jing· 2025-08-25 13:06
Core Viewpoint - The stock of Shimao Energy experienced a significant drop after failing to achieve a fifth consecutive trading day of gains, leading to a loss of over 17% for investors who bought at the peak [1][2]. Group 1: Stock Performance - On August 25, Shimao Energy opened with a limit-up but quickly fell, closing at 26.95 yuan, down 8.8% from the previous day [1]. - The stock had previously recorded four consecutive days of limit-up trading, with a cumulative increase of approximately 46.43% [2]. Group 2: Trading Volume and Investor Impact - On August 25, over 4.05 million shares were traded at the limit-up price, resulting in a significant loss for those who chased the stock, with a floating loss exceeding 17% in one day [2]. - The total trading volume on that day exceeded 280,000 hands, with a transaction amount of 7.93 billion yuan [1]. Group 3: Company Operations and Financials - Shimao Energy stated that its production and operational activities remain normal, with no significant changes in the internal or external business environment [2]. - The company reported revenues of 4.42 billion yuan, 3.62 billion yuan, and 3.59 billion yuan for the years 2022 to 2024, with net profits of 2.06 billion yuan, 1.88 billion yuan, and 1.72 billion yuan respectively [3]. - In the first quarter of 2025, the company achieved a revenue of 77.27 million yuan, a year-on-year decrease of 16.14%, and a net profit of 33.42 million yuan, down 3.42% year-on-year [3].
黄仁勋一半家产要分给A股公子哥?董秘回应来了
Feng Huang Wang Cai Jing· 2025-08-18 11:43
Group 1 - The stock price of Chunzhen Technology (603516) has surged, reaching 126.69 CNY per share as of August 18, with a daily increase of 10% and a monthly increase of 300%, marking a historical high [1] - There are rumors circulating about a connection between Chunzhen Technology and Nvidia, which the company's management has denied, stating that they are preparing to report the rumors to the authorities [1] - Chunzhen Technology has issued five announcements regarding significant abnormal fluctuations in stock trading since August, with the latest announcement indicating a cumulative price deviation of 20% over three consecutive trading days [3] Group 2 - The company expects a net loss attributable to shareholders of 41 million to 38.4 million CNY for the first half of 2025, indicating a decline compared to the same period last year [5] - The expected net profit after deducting non-recurring gains and losses for the same period is projected to be between -44.5 million and -41.55 million CNY [5] - The company's controlling shareholder has stated that there are no undisclosed significant matters affecting the abnormal stock trading fluctuations [3]
影石创新:目前生产经营正常,无重大变化
Xin Lang Cai Jing· 2025-08-18 09:14
Core Viewpoint - The stock price of Ying Shi Innovation experienced an abnormal fluctuation with a cumulative increase of 30% on August 15 and 18, 2025, but the company confirmed that its production and operations are normal without any significant changes [1] Company Operations - The company conducted a self-inspection and found no major events affecting the stock price fluctuations, and there are no significant matters being planned by the controlling shareholder and actual controller [1] - On August 14, the company launched a public test for its panoramic drone products, which are still in the testing phase and have not generated actual revenue, thus expected to have no significant impact on the 2025 performance [1] - The board of directors confirmed that there are no undisclosed matters that need to be disclosed [1] Investor Advisory - The company reminds investors to pay attention to stock price fluctuations and investment risks, advising them to rely on information from designated media for rational investment [1]
10天7板!牛股最新发声:击鼓传花效应明显,再涨或停牌核查!
Zheng Quan Shi Bao Wang· 2025-08-13 13:42
Core Viewpoint - The stock price of Changcheng Military Industry has experienced significant volatility, with a cumulative increase of over 100% in the last 10 trading days, raising concerns about potential risks and the possibility of a trading suspension if the price continues to rise [1][2]. Group 1: Stock Performance and Market Reaction - On August 13, Changcheng Military Industry's stock price hit the limit up for the seventh time in nearly 10 trading days, with a cumulative increase of 425.33% since June 13, significantly outpacing the 20.92% increase in the military industry and the 8.25% increase in the Shanghai Composite Index during the same period [2]. - The stock closed at 67.82 yuan per share on August 13, at a historical high, with a trading volume of 4.472 billion yuan, indicating high market activity [2][3]. - The company warned of a "hot market sentiment" and irrational speculation, describing the trading situation as a "musical chairs" effect, which poses a significant risk of a sharp decline in stock price [2]. Group 2: Financial Performance and Risks - For the fiscal year 2024, the company reported an operating income of 1.43 billion yuan, a year-on-year decrease of 11.42%, and a net profit attributable to shareholders of -363 million yuan, indicating limited profitability [2]. - The gross profit margin for the main business was -1.43%, reflecting ongoing operational challenges [2]. - The company projected a net profit for the first half of 2025 to be between -25 million and -29.5 million yuan, with a non-recurring net profit expected to be between -35 million and -41 million yuan [2]. Group 3: Valuation Concerns - As of August 13, the company's rolling price-to-book ratio was 22.61, significantly higher than the industry average of 5.70, indicating a risk of overvaluation [3]. - The stock's turnover rate was 9.42% on August 13, with a cumulative turnover rate of 37.35% over the last three trading days, suggesting high trading activity [3]. - The company confirmed that its production and operational activities were normal, with no significant changes affecting the abnormal stock price fluctuations [3].
大元泵业:连续3日股价涨幅偏离值超20%,提示交易风险
Xin Lang Cai Jing· 2025-08-12 08:53
Core Viewpoint - Zhejiang Dayuan Pump Industry Co., Ltd. experienced an abnormal stock price fluctuation, with a cumulative closing price deviation exceeding 20% over three consecutive trading days [1] Company Operations - The company conducted a self-examination and confirmed that its production and operations are normal, with no changes in its main business [1] - There are no undisclosed significant matters, and no relevant media reports or market rumors have been identified [1] Shareholder Activity - During the period of abnormal stock price fluctuation, the controlling shareholder did not engage in buying or selling the company's stock [1] Market Risk Advisory - The company has advised investors to be cautious of secondary market trading risks and to invest rationally, emphasizing that information about the company should be based on announcements from designated channels [1]
上纬新材大幅跳水 此前17个交易日大涨超13倍
Zheng Quan Shi Bao Wang· 2025-08-06 02:17
Group 1 - The stock of Shangwei New Materials (688585) experienced a significant drop of approximately 15%, returning below 100 yuan after a previous surge of over 13 times in the past 17 trading days [2] - The Shanghai Stock Exchange issued a notice regarding the abnormal fluctuations in the stock price of Shangwei New Materials, highlighting that the company has repeatedly issued risk warning announcements [2] - The stock price increased by 1320.05% from July 9 to August 5, 2025, with multiple instances of abnormal trading behavior leading to regulatory measures against certain investors [2] Group 2 - The company's main business remains focused on the research, production, and sales of environmentally friendly high-performance corrosion-resistant materials, wind turbine blade materials, new composite materials, and circular economy materials [3] - There have been no significant changes in the company's production operations or market environment, and no major adjustments in industry policies or production costs [3] - The planned transfer of control over the company is still pending compliance confirmation from the Shanghai Stock Exchange, and there is uncertainty regarding the approval process and timeline [3]
监管重拳!上纬新材复牌后再度20%涨停!上交所:部分投资者存在异常交易,被暂停账户交易
Hua Xia Shi Bao· 2025-08-06 00:31
Group 1 - The core point of the article highlights the remarkable stock performance of Weichuang New Materials, which saw a 20% increase on its first trading day after resuming, reaching a record high of 110.48 yuan per share, and has surged 1566% year-to-date, becoming the first A-share stock to exceed a 15-fold increase in 2025 [2] - The total market capitalization of Weichuang New Materials has risen from less than 3 billion yuan at the beginning of the year to 44.6 billion yuan [2] - The Shanghai Stock Exchange has reported abnormal trading activities among some investors, leading to the suspension of their trading accounts [3][7] Group 2 - Weichuang New Materials issued a risk warning stating that if the stock price continues to rise, it may apply for a continuous trading suspension for further investigation [8] - The company reported a significant stock price increase of 1320.05% from July 9 to August 5, with multiple instances of abnormal trading fluctuations [8] - Despite the stock price volatility, the company's core business in high-performance corrosion-resistant materials and other related products has not undergone significant changes [8] Group 3 - The company disclosed its half-year performance forecast for 2025, expecting a revenue of approximately 783.77 million yuan, a year-on-year increase of 12.5%, while net profit is projected to decrease by 32.91% to 29.90 million yuan [10] - The decline in net profit is attributed to foreign exchange losses from overseas dollar receivables and increased costs related to overseas sales, commissions, and R&D testing expenses [10]
上纬新材复牌大涨 股价盘中突破100元大关续创新高
Zheng Quan Shi Bao Wang· 2025-08-05 02:24
Group 1 - The stock of Shangwei New Materials (688585) resumed trading on August 5, 2023, and saw a significant increase of approximately 10%, surpassing the 100 yuan mark, reaching a historical high with a trading volume exceeding 1 billion yuan [2] - Since July 9, 2023, the stock has experienced a cumulative increase of over 12 times in 17 trading days [2] - The company conducted a review regarding abnormal stock trading fluctuations and confirmed that there have been no significant changes in its fundamental operations or market environment [2] Group 2 - For the first half of 2025, the company reported a revenue of 783.77 million yuan, reflecting a year-on-year increase of 12.50%, while the net profit attributable to shareholders decreased by 32.91% to 29.90 million yuan [3] - The decline in net profit is attributed to foreign exchange losses from overseas dollar receivables, increased overseas sales shipping costs, commissions, and R&D testing expenses [3] - The company has no plans for asset restructuring in the next twelve months, indicating stability in its operational strategy [3]