Core Viewpoint - As of August 28, no listed companies have disclosed any increase in shareholding, while 21 companies have announced share reductions by their shareholders [1]. Summary by Category Share Reduction Announcements - Keg Precision Machinery: Controlling shareholder plans to reduce holdings by up to 3% [2] - Oulu Tong: Controlling shareholder and actual controller's concerted action party plans to reduce holdings by up to 1.74% [2] - Nanmo Biology: Plans to reduce repurchased shares by up to 1% of total share capital [2] - Weike Technology: Three shareholders plan to transfer a total of 2.99% of total share capital [2] - Jino Medical: Shareholder plans to reduce holdings by up to 0.04% [2] - Zhejiang Shiyu: Controlling shareholder plans to reduce holdings by up to 2% [2] - Zhongke Tongda: Shareholder Wuhan Gaoke plans to reduce holdings by up to 1% [2] - Chunzong Technology: Multiple shareholders plan to reduce holdings by up to 2% [2] - Wantong Expressway: Shareholder China Merchants Highway plans to reduce holdings by up to 3% [2] - Tai Rui Machinery: Actual controller Zheng Jianguo plans to reduce holdings by up to 2.95% [2] - Haotong Technology: Actual controller Xia Jun and specific shareholder Xuzhou Botong plan to reduce holdings by up to 3% [2] - Changsheng Bearing: Some senior management plans to reduce holdings by up to 1.2% [2] - Dongtian Micro: Shareholder plans to reduce holdings by up to 0.57% [2] - Aojie Technology: Shareholder Ali Network plans to reduce holdings by up to 3% [2] - Bocheng Shares: Some directors and senior management plan to reduce holdings [2] - Rongtai Shares: Shareholder Tai'an Runtu plans to reduce holdings by up to 1.05% [2] - Shangwei New Materials: Jinfeng Investment Holdings has completed the reduction of 4.0336 million shares [2] - Zhongchu Logistics: Senior management member Chu Xuri plans to reduce holdings by up to 0.09% [2] - Hengsheng Energy: One of the actual controllers, Gan Shunxian, plans to reduce holdings by up to 2% [2] - Jinghua New Materials: Controlling shareholder plans to reduce holdings by up to 3.01% [2] - New Coordinates: Shareholder plans to reduce holdings by up to 1% [2]

Group 1 - The stock price of Shuangwei New Materials reached 87.61 yuan as of August 28, 2025, with an increase of 8.53 yuan, representing a rise of 10.79% [1] - The trading volume on that day was 1.732 billion yuan, with a turnover rate of 5.13% [1] - Shuangwei New Materials specializes in the research, production, and sales of high-performance composite materials and resins, which are widely used in wind power, rail transportation, and aerospace sectors [1] Group 2 - Jin Feng Investment Holdings reduced its stake by 4.0336 million shares between June 13 and August 28, 2025, accounting for 1% of the total share capital, and has completed its reduction plan [1] - After the reduction, Jin Feng Investment Holdings still holds 4.40% of the company's shares [1] - On August 28, the net inflow of main funds was 46.7424 million yuan, representing 0.13% of the circulating market value, while the net outflow over the past five days was 127 million yuan, accounting for 0.36% of the circulating market value [1]

证券代码：688585 证券简称：上纬新材 公告编号：2025-073 上纬新材料科技股份有限公司 股东减持计划完成暨减持股份结果公告 本公司董事会、全体董事及相关股东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、准确性和完整性依法承担法律 责任。 重要内容提示： 大股东持有的基本情况 本次减持计划实施前，金风投资控股有限公司（以下简称"金风投控"）持有 公司 21,800,883 股，占公司总股本的 5.40%。上述股票来源为公司首次公开发行 股票上市前持有的股份，且已于 2021 年 9 月 28 日起上市流通。 减持计划的实施结果情况 2025 年 5 月 21 日，公司披露了《上纬新材持股 5%以上股东减持股份计划 公告》（公告编号：2025-031）。金风投控拟通过集中竞价及大宗交易的方式减持 其所持有的公司股份合计不超过 12,100,851 股，即不超过公司总股本的 3.00%。 2025 年 7 月 9 日，公司披露了《上纬新材料科技股份有限公司简式权益变 动报告书（金风投控）》，金风投控与上海致远新创科技设备合伙企业（有限合伙） （简称"致远新创合伙"）签署 ...

Market Performance - The plastic sector increased by 1.55% compared to the previous trading day, with Shangwei New Materials leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up 1.14%, while the Shenzhen Component Index closed at 12571.37, up 2.25% [1] Top Gainers in Plastic Sector - Shangwei New Materials (688585) closed at 87.61, up 10.79% with a trading volume of 206,700 shares and a transaction value of 1.732 billion [1] - Dongcai Technology (601208) closed at 19.40, up 9.98% with a trading volume of 1,260,700 shares and a transaction value of 2.374 billion [1] - Wankai New Materials (301216) closed at 17.32, up 5.61% with a trading volume of 261,900 shares and a transaction value of 444 million [1] Market Capital Flow - The plastic sector experienced a net outflow of 685 million from institutional investors, while retail investors saw a net inflow of 563 million [2] - The overall market showed a mixed trend with significant movements in individual stocks, indicating varied investor sentiment [2] Individual Stock Capital Flow - Dongcai Technology had a net inflow of 306 million from institutional investors, but a net outflow of 15.4 million from retail investors [3] - Shangwei New Materials saw a net inflow of 46.74 million from institutional investors, with retail investors experiencing a net outflow of 31.81 million [3] - Anli Co. (300218) had a net inflow of 11.4 million from institutional investors, while retail investors faced a net outflow of 81.15 million [3]

Group 1 - The stock price of the company, Aowei New Materials, increased by 7.5% on August 28, reaching 85.01 yuan per share, with a trading volume of 7.23 billion yuan and a turnover rate of 2.25%, resulting in a total market capitalization of 34.29 billion yuan [1] - Aowei New Materials focuses on the research, production, and sales of environmentally friendly high-performance corrosion-resistant materials, materials for wind turbine blades, and new composite materials, with applications in energy conservation, environmental protection, and the new energy sector [1] - The company has factories in multiple regions globally, and its products have received international certification, gaining widespread recognition for quality and technology [1] Group 2 - As of June 30, the number of shareholders for Aowei New Materials was 5,807, with an average of 69,500 circulating shares per person [2] - For the first half of 2025, Aowei New Materials achieved operating revenue of 784 million yuan, representing a year-on-year increase of 12.5%, while the net profit attributable to shareholders decreased by 32.91% to 29.90 million yuan [2]

Group 1 - The core point of the article is that Goldwind Technology (002202.SZ) has approved a proposal to reduce its holdings in Upwind New Materials Technology Co., Ltd. [1] - The decision was made during the fourth meeting of the ninth board of directors, allowing Goldwind Investment Holding Co., Ltd. to sell 2,400,821 shares of Upwind New Materials within one year through block trading or centralized bidding [1] - The shares represent 0.60% of Upwind New Materials, with a book value of approximately 11,905,535.66 RMB as of June 30, 2025 [1]

智通财经APP讯，金风科技(02208)发布公告，2025年8月26日，该公司第九届董事会第四次会议审议通 过了《关于减持上纬新材料科技股份有限公司股份的议案》，同意公司全资子公司金风投资控股有限公 司(以下简称"金风投资")根据市场情况，适时以大宗交易、集中竞价方式，自公司董事会审议通过之日 起一年内减持金风投资持有的上纬新材料科技股份有限公司(以下简称"上纬新材")240.08万股股份。 本次交易标的为金风投资持有的上纬新材240.08万股股份(股票代码：688585.SH)，持股比例为0.60%。 截至2025年6月30日，该部分股权的账面价值为1190.55万元人民币。 ...

金风科技（002202）(02208)发布公告，2025年8月26日，该公司第九届董事会第四次会议审议通过了 《关于减持上纬新材料科技股份有限公司股份的议案》，同意公司全资子公司金风投资控股有限公司 (以下简称"金风投资")根据市场情况，适时以大宗交易、集中竞价方式，自公司董事会审议通过之日起 一年内减持金风投资持有的上纬新材料科技股份有限公司(以下简称"上纬新材")240.08万股股份。 本次交易标的为金风投资持有的上纬新材240.08万股股份(股票代码：688585.SH)，持股比例为0.60%。 截至2025年6月30日，该部分股权的账面价值为1190.55万元人民币。 ...

Group 1: Chemical and Oil Industry Performance - The chemical index and oil index experienced an overall increase last week, with the chemical raw materials index rising by 3.29%, the chemical machinery index by 0.78%, the chemical pharmaceuticals index by 0.04%, and the pesticide and fertilizer index by 1.90% [1] - In the oil sector, the oil processing index increased by 4.14%, the oil extraction index by 0.70%, and the oil trading index by 2.97% [1] - International crude oil prices showed a strong performance, with WTI settling at $63.66 per barrel, up 1.37% from August 15, and Brent settling at $67.73 per barrel, up 2.85% [1] Group 2: Market Performance of Chemical Companies - The top five performing chemical companies included Zhenan Technology with a rise of 53.11%, Feilu Co. with 33.16%, Qide New Materials with 30.05%, Honghe Technology with 23.25%, and Jinmei B shares with 21.35% [2] - The five chemical companies with the largest declines were Shangwei New Materials down 13.12%, Weike Technology down 10.89%, Xinya Qiang down 10.59%, Zhongxin Fluorine Materials down 10.38%, and Jiuding New Materials down 9.15% [2] Group 3: Commodity Price Changes - The top five products with the highest price increases included Vitamin B1 up 12.82%, Vitamin D3 up 7.14%, Paraquat up 6.56%, industrial-grade lithium carbonate up 4.90%, and propane up 4.84% [1] - The five products with the largest price decreases were liquid chlorine down 48.51%, hydrochloric acid down 8.29%, butyl rubber down 7.79%, methyl acrylate down 7.33%, and butyl acrylate down 6.13% [1]

Market Performance - Since April 7, A-shares have experienced a continuous upward trend, with the Shanghai Composite Index rising from 3040 points to over 3800 points, marking a cumulative increase of 25.82% over the period [1] - As of August 22, the Shanghai Composite Index closed at 3825.76 points, reaching a 10-year high with a 1.45% increase; the Shenzhen Component Index rose by 2.07% to 12166.06 points, and the ChiNext Index increased by 3.36% to 2682.55 points [1] - The total market capitalization of A-shares reached 102.81 trillion yuan, reflecting a significant increase from 85.68 trillion yuan at the end of the previous year, adding 17.13 trillion yuan in 2023 [3] Individual Stock Performance - From April 7 to August 22, 742 A-shares saw price increases exceeding 50%, with 197 stocks rising over 100%, and 43 stocks increasing over 200% [2] - Notably, the stock Weiye New Materials on the Sci-Tech Innovation Board achieved a remarkable increase of 1009.78%, becoming the first tenfold stock of the year [2] - Other significant gainers include Shutai Shen and *ST Yushun, with increases of 596.42% and 439.96% respectively [2] Industry Performance - All 31 primary industries in the Shenwan index experienced growth from April 7 to August 22, with 27 industries rising over 10% and 16 industries over 20% [2] - The top three performing industries were Electronics, Comprehensive, and Communications, with increases of 51.62%, 48.42%, and 45.76% respectively [2] Investor Participation - Individual investors hold approximately 33% of the A-share market, indicating a net increase of 5.653 trillion yuan in their market value this year [3] - With around 240 million retail investors, the average net gain per investor this year is approximately 23,500 yuan [3]