Core Viewpoint - Dongyue Silicon Materials announced that its stock price experienced an abnormal fluctuation, with a cumulative closing price deviation of 38.66% over two trading days [1] Summary by Relevant Sections - **Stock Performance** - The stock price of Dongyue Silicon Materials increased by a cumulative 38.66% over the trading days of November 7 and November 10, 2025, indicating significant volatility [1] - **Company Disclosure** - The company confirmed that there are no corrections or supplements needed for previously disclosed information [1] - Dongyue Silicon Materials has not identified any recent media reports that could have significantly impacted its stock price with undisclosed major information [1]

Group 1 - The organic silicon sector showed strong performance on November 10, with notable increases in stock prices [1] - Dongyue Silicon Materials rose over 10%, while Hoshine Silicon Industry increased by more than 8% [1] - Other companies such as Silbond Technology, Runhe Materials, and Xin'an Chemical also experienced gains [1]

证券代码：300821 证券简称：东岳硅材 公告编号：2025-090 山东东岳有机硅材料股份有限公司 股票交易异常波动公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有 虚假记载、误导性陈述或重大遗漏。 一、股票交易异常波动情况 山东东岳有机硅材料股份有限公司（以下简称"公司"）股票交易连续 2 个交易日（2025 年 11 月 7 日、2025 年 11 月 10 日）内收盘价格涨幅偏离值累计 达 38.66%。根据《深圳证券交易所交易规则》的规定，属于股票交易异常波动 的情形。 二、公司关注、核实情况 三、是否存在应披露而未披露的信息 公司董事会确认，公司目前没有任何根据《深圳证券交易所创业板股票上市 规则》等有关规定应予以披露而未披露的事项或与该事项有关的筹划、商谈、意 向、协议等；董事会也未获悉公司有根据《深圳证券交易所创业板股票上市规则》 等有关规定应予以披露而未披露的、对公司股票及其衍生品种交易价格产生较大 影响的信息；公司前期披露的信息不存在需要更正、补充之处。 四、其他事项及风险提示 针对公司股票交易异常波动，经公司自查并向公司控股股东就相关事项进行 核实，现将有关情况说明 ...

Core Insights - Dongyue Silicon Material experienced a significant stock price increase of 14.94%, closing at 13.08 yuan on November 10 [1] - The stock recorded six block trades with a total trading volume of 2.0712 million shares and a total transaction value of 21.7476 million yuan [1][2] - Over the past three months, the stock has seen a total of six block trades amounting to 21.7476 million yuan, with a notable 40.34% increase in the last five trading days and a net inflow of 370 million yuan from major funds [2] Trading Details - The first block trade occurred at a price of 10.50 yuan for 822,000 shares, totaling 8.6310 million yuan, with a discount rate of -19.72% [1] - Subsequent trades also occurred at the same price of 10.50 yuan, with varying volumes and transaction values, all reflecting a consistent discount rate of -19.72% [1][2] - The last recorded trade involved 191,000 shares at the same price, contributing to the overall trading activity [2]

Summary of Key Points Core Viewpoint - On November 10, Dongyue Silicon Material conducted a block trade of 2.0712 million shares, with a total transaction value of 21.7476 million yuan, representing 0.86% of the total trading volume for the day. The transaction price was 10.5 yuan, reflecting a discount of 19.72% compared to the market closing price of 13.08 yuan [1]. Group 1: Trading Details - The block trade involved multiple transactions at a price of 10.50 yuan per share [2]. - The total volume of shares traded was 207.12 million, with a total transaction value of 21.7476 million yuan [1][2]. - The trade accounted for 0.86% of the total trading volume on that day [1]. Group 2: Buyer and Seller Information - The buyers included various institutional investors, with significant purchases made by institutions such as CITIC Securities and Guotai Junan Securities [2]. - The selling party was primarily CITIC Jianzhong Securities, specifically its Beijing Chaoyang branch [2]. - The transactions were executed through multiple brokerage firms, indicating a diverse participation from institutional investors [2].

Core Insights - The chemical products sector experienced a rise of 1.66% on November 10, with Dongyue Silicon Materials leading the gains [1] - The Shanghai Composite Index closed at 4018.6, up 0.53%, while the Shenzhen Component Index closed at 13427.61, up 0.18% [1] Stock Performance - Dongyue Silicon Materials (300821) closed at 13.08, with a significant increase of 14.94% and a trading volume of 1.9892 million shares, amounting to a transaction value of 2.516 billion [1] - Other notable gainers included: - Moxin Energy Technology (300072) at 5.52, up 9.31% [1] - Liansheng Chemical (301212) at 30.70, up 8.56% [1] - Yongtai Technology (002326) at 22.76, up 8.02% [1] Fund Flow Analysis - The chemical products sector saw a net outflow of 1.574 billion from institutional investors, while retail investors contributed a net inflow of 1.424 billion [2] - Key stocks with significant fund flows included: - Wanhua Chemical (600309) with a net inflow of 2.30 billion from institutional investors [3] - Juhua Co. (600160) with a net inflow of 1.14 billion from institutional investors [3] - Yahua Group (002497) with a net inflow of 773.36 million from institutional investors [3]

Market Overview - On November 10, A-shares opened higher but experienced fluctuations, with the Shanghai Composite Index falling below 4000 points and the ChiNext Index down 1.68% [1] - The chemical, petroleum, coal, and food and beverage sectors showed strength, while the communication and electronics sectors struggled [1] Chemical Sector Performance - The chemical sector continued to strengthen, with significant activity in fluorine and phosphorus chemicals [3] - Key stocks such as LUXI Chemical, Chengxing Shares, and Hualu Hengsheng hit the daily limit, while Dongyue Silicon Material rose over 10% [3][4] - Lithium battery electrolyte stocks were particularly active, with Huasheng Lithium Battery reaching a 20% limit up [5] Lithium Battery Market Insights - From October 1 to November 7, the price of lithium hexafluorophosphate surged from 61,000 yuan/ton to 121,500 yuan/ton, marking a recent high [6] - CITIC Securities reported that the chemical sector is trading based on three main themes: increased demand for energy storage, ongoing industry self-discipline, and high growth potential in the chemical industry [7] Storage Chip Sector Activity - On November 10, storage chip stocks surged, with ShenGong Co. hitting a 20% limit up shortly after opening [8] - Other stocks like Yintang Zhikong also reached the daily limit, indicating strong market interest [10] NAND Flash Price Increase - Reports indicated that SanDisk raised NAND flash contract prices by 50% in November, causing a ripple effect throughout the storage supply chain [12] - This price increase highlights supply tightness in the storage market, with expectations of accelerated profit releases for domestic storage module companies by the second half of 2025 due to rising prices [12]

Group 1: Chemical Sector Performance - The chemical sector continues to strengthen, with significant activity in fluorine and phosphorus chemicals, as well as lithium battery electrolyte stocks [3][7] - Notable stocks include Dongyue Silicon Material, which rose by 13.18%, and several others like LUXI Chemical and Chengxing Shares, which reached their daily limit [4][3] - Lithium carbonate prices have surged, with the price of lithium hexafluorophosphate increasing from 61,000 yuan/ton to 121,500 yuan/ton between October 1 and November 7, marking a new high [6] Group 2: Semiconductor Sector Activity - Semiconductor storage stocks experienced a collective surge, with ShenGong Co. hitting a 20% limit up, trading at 61.19 yuan per share [8][10] - Other companies in the semiconductor space, such as Yingtang Zhikong and Dayi Co., also reached their daily limit [9][10] - Reports indicate that SanDisk has raised NAND flash contract prices by 50%, causing a ripple effect throughout the storage supply chain and highlighting supply tightness [10][11] Group 3: Market Trends and Projections - CITIC Securities reports that the chemical sector is trading based on three main themes: increased demand for energy storage, ongoing industry self-discipline, and high growth potential in the chemical products sector [7] - According to招商证券, the storage industry is entering an accelerated growth phase driven by surging demand in the AI era, with limited supply-side capacity leading to a widening supply-demand gap and rising prices [11]

Market Overview - The Shanghai Composite Index increased by 0.06% as of 10:28 AM, with a trading volume of 672.42 million shares and a transaction value of 10,685.29 billion yuan, representing an 11.01% increase compared to the previous trading day [1] Industry Performance - The top-performing sectors included: - Basic Chemicals: +1.84%, transaction value of 908.73 billion yuan, led by Dongyue Silicon Material (+12.13%) [1] - Comprehensive: +1.54%, transaction value of 34.96 billion yuan, led by Yuegui Co. (+10.03%) [1] - Oil and Petrochemicals: +1.36%, transaction value of 80.45 billion yuan, led by Hengyi Petrochemical (+7.23%) [1] - The sectors with the largest declines included: - Communication: -1.67%, transaction value of 474.01 billion yuan, led by Guodun Quantum (-6.66%) [2] - Electronics: -1.29%, transaction value of 1,792.18 billion yuan, led by Tiancheng Technology (-9.79%) [2] - Machinery Equipment: -0.74%, transaction value of 619.94 billion yuan, led by Degute (-19.99%) [2] Notable Stocks - The leading stocks in the rising sectors included: - Dongyue Silicon Material (+12.13%) in Basic Chemicals [1] - Yuegui Co. (+10.03%) in Comprehensive [1] - Hengyi Petrochemical (+7.23%) in Oil and Petrochemicals [1] - The leading stocks in the declining sectors included: - Guodun Quantum (-6.66%) in Communication [2] - Tiancheng Technology (-9.79%) in Electronics [2] - Degute (-19.99%) in Machinery Equipment [2]

Group 1: Market Overview - The A-share market experienced fluctuations with all three major indices closing lower, with the Shanghai Composite Index down 0.25%, Shenzhen Component down 0.36%, and ChiNext down 0.51% [2] - The total trading volume in the Shanghai and Shenzhen markets was 20,202 billion yuan, a decrease of 557 billion yuan from the previous day [2] - There was a notable rotation of market styles, with cyclical sectors such as chemicals, lithium batteries, and photovoltaics showing steady strength [2] Group 2: Chemical Sector Performance - The chemical sector was a standout performer, with multiple stocks hitting the daily limit, particularly in the organic silicon segment [3] - Dongyue Silicon Material saw a 20% increase, while other companies like Hoshine Silicon Industry, Xin'an Chemical, and Xingfa Group also showed active performance [3] - The organic silicon market is currently facing competitive pressure due to supply factors, but no new production capacity is expected in the next two years, suggesting that sales prices may gradually recover next year [3] Group 3: Phosphate Chemical Sector Insights - The phosphate chemical sector also saw significant gains, with Qing Shui Yuan hitting the daily limit for two consecutive days [4] - The yellow phosphorus index has increased by over 7% in the past two weeks, with the current spot price at 22,200 yuan per ton, up 264 yuan from the previous trading day [4] - The price increase is attributed to reduced production from wet-process phosphoric acid facilities and recovering demand for downstream electrolyte raw materials [4] Group 4: Investment Strategies - Several brokerages recommend a balanced allocation strategy in response to market style changes, with a focus on new momentum industries like technology and high-end manufacturing [6] - Dongguan Securities suggests that the market style is expected to be more balanced than in the third quarter, with a focus on cyclical sectors showing marginal improvement [6] - Dongwu Securities highlights November as a critical time for institutional reallocation, with a shift from pursuing excess returns to locking in profits as year-end approaches [6] Group 5: Economic Outlook - Huatai Securities emphasizes the positive correlation between new and old economies, suggesting that strong performance in the new economy can drive growth in the old economy [7] - The old economy sectors currently have low valuations and market expectations, indicating potential for recovery [7] - The influx of new capital from insurance and foreign investments is expected to favor value styles in the coming year [7]