Investment Rating - The report does not explicitly state an investment rating for the industry or specific companies [3]. Core Insights - The top five sectors with the highest excess returns for long positions in January 2026 (excluding comprehensive) are Defense and Military, Communication, Agriculture, Home Appliances, and Electric Equipment & New Energy, with excess returns of 11.41%, 8.40%, 7.85%, 6.01%, and 4.98% respectively [2]. - Over the past year, the sectors with the highest average monthly excess returns (excluding comprehensive) are Real Estate, Home Appliances, Retail, Construction, and Defense and Military, with excess returns of 2.17%, 2.09%, 1.69%, 1.69%, and 1.58% respectively [2]. - The GAN_GRU factor has shown a mean Information Coefficient (IC) of 0.1107 and an annualized excess return of 22.36% from January 2019 to January 2026 [41]. - As of January 28, 2026, the latest IC for the GAN_GRU factor is 0.0003, with a one-year mean IC of 0.0553 [41]. - The top five sectors based on the recent IC performance of the GAN_GRU factor are Defense and Military, Construction, Real Estate, Banking, and Communication, with IC values of 0.3498, 0.2478, 0.2165, 0.1993, and 0.1976 respectively [41]. - The long position combination based on the GAN_GRU factor has shown the highest excess returns in the sectors of Defense and Military, Communication, Agriculture, Home Appliances, and Electric Equipment & New Energy [45]. Summary by Sections GAN_GRU Model Overview - The GAN_GRU model utilizes Generative Adversarial Networks (GAN) for processing time-series features and GRU for encoding these features into stock selection factors [4][13]. GAN_GRU Factor Performance - The GAN_GRU factor has demonstrated significant performance metrics, including a mean IC of 0.1107 and an annualized excess return of 22.36% [41]. - The recent IC rankings for various sectors indicate strong performance in Defense and Military, Construction, and Real Estate [41][45]. Long Position Combinations - The report lists the top ten stocks selected based on the GAN_GRU factor, including companies like Xinhua Insurance, Guanghong Technology, and Guangdong Expressway [50].

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： 物产中大集团股份有限公司（以下简称"公司"）董事会近日收到公司副总经理李刚先生的书面辞职报 告，因工作调整原因，李刚先生申请辞去公司副总经理职务。 一、董事/高级管理人员离任情况 (一)提前离任的基本情况 ■ 注：公司第十届董事会于2025年5月16日任期届满，公司正在积极筹备换届工作。详见公司于2025年5月 14日发布的"物产中大关于董事会、监事会延迟换届的公告（2025-029）" (二)离任对公司的影响 根据《上海证券交易所上市公司自律监管指引第1号一一规范运作》的有关规定，李刚先生的辞职报告 自送达公司董事会时生效。李刚先生已按照公司相关规定做好交接工作，此次工作调整不会对公司日常 生产经营产生不利影响。 李刚先生担任副总经理期间恪尽职守、勤勉尽责，公司及公司董事会对李刚先生在公司经营管理、业务 发展、规范运作等方面发挥的积极作用和贡献，表示衷心的感谢！ 特此公告。 物产中大集团股份有限公司 董事会 2026年1月29日 ...

证券代码：600704 证券简称：物产中大 公告编号：2026-005 (一)提前离任的基本情况 ■ 注：公司第十届董事会于2025年5月16日任期届满，公司正在积极筹备换届工作。详见公司于2025年5月 14日发布的"物产中大关于董事会、监事会延迟换届的公告（2025-029）" (二)离任对公司的影响 物产中大集团股份有限公司 关于公司副总经理辞职的公告 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： 物产中大集团股份有限公司（以下简称"公司"）董事会近日收到公司副总经理李刚先生的书面辞职报 告，因工作调整原因，李刚先生申请辞去公司副总经理职务。 一、董事/高级管理人员离任情况 2026年1月29日 根据《上海证券交易所上市公司自律监管指引第1号一一规范运作》的有关规定，李刚先生的辞职报告 自送达公司董事会时生效。李刚先生已按照公司相关规定做好交接工作，此次工作调整不会对公司日常 生产经营产生不利影响。 李刚先生担任副总经理期间恪尽职守、勤勉尽责，公司及公司董事会对李刚先生在公司经营管理、业务 发展、规范运 ...

（记者 王晓波） 每经头条（nbdtoutiao）——从极寒测试到万套装车！半固态电池今年有望搭载多款新车：各大厂商摩 拳擦掌，动力电池技术迎来迭代年 每经AI快讯，物产中大1月28日晚间发布公告称，因工作调整原因，李刚先生申请辞去公司副总经理职 务。 ...

证券代码：600704 证券简称：物产中大 公告编号：2026-005 物产中大集团股份有限公司 关于公司副总经理辞职的公告 | 姓名 | 离任职务 | 离任时间 | 原定任 期到期 | 离任原因 | 是否继续在上 市公司及其控 | 具体职务 （如适用） | | 是否存在 未履行完 毕的公开 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | 日 | | 股子公司任职 | | | 承诺 | | 李刚 | 副总经理 | 2026 年 1 | 2025 年 5 | 工作调整 | 是 | 上 市 公 | 司 | 否 | | | | 月 28 日 | 月 16 日 | | | 党 委 副 | 书 | | | | | | | | | 记 | | | (一) 提前离任的基本情况 注：公司第十届董事会于 2025 年 5 月 16 日任期届满，公司正在积极筹备换 届工作。详见公司于 2025 年 5 月 14 日发布的"物产中大关于董事会、监事会延 迟换届的公告（2025-029）" (二) 离任对公司的影响 根据《上海证券交易所上市公司自律监 ...

Core Viewpoint - The company announced the resignation of its Vice General Manager, Li Gang, due to work adjustment reasons, effective immediately upon delivery of the resignation report to the board of directors [1] Group 1 - The resignation report was received by the company's board of directors on January 28 [1] - Li Gang will continue to serve as the Deputy Secretary of the Party Committee after resigning from the Vice General Manager position [1]

Core Viewpoint - The company, Wuchan Zhongda (600704), emphasizes its commitment to cash dividends and digital transformation to enhance operational efficiency and competitiveness [1] Group 1: Dividend Policy - The company states that it will distribute profits in cash when conditions are met, ensuring that cash distributions over any three consecutive years will not be less than 30% of the average distributable profit from the last three years [1] Group 2: Digital Transformation - The company is actively promoting digital transformation and intelligent upgrades across its business segments to improve precision management, smart decision-making, and collaborative management capabilities [1] - This initiative aims to continuously enhance the overall management level and core competitiveness of the company [1]

Core Viewpoint - The company acknowledges that its stock price is influenced by multiple factors including macroeconomic environment, market conditions, and supply-demand relationships, and that short-term fluctuations are a normal market phenomenon [1] Group 1: Company Strategy - The company emphasizes the importance of shareholder interests and is committed to focusing on its core business [1] - It aims to improve operational efficiency and profitability as a foundation for high-quality development [1] - The company is dedicated to enhancing its core competitiveness and growth potential [1] Group 2: Communication and Transparency - The company is working to improve the quality and transparency of its information disclosure [1] - It seeks to enhance communication and interaction with investors [1] - The company employs various strategies to increase its investment value, aiming to create sustainable and stable returns for shareholders [1]

（编辑 任世碧） 证券日报网讯 1月23日，物产中大在互动平台回答投资者提问时表示，公司控股子公司物产中大金石集 团有限公司积极开展科技养老探索，与强脑科技公司开展合作，将脑机接口技术应用于公司养老业务。 ...

证券日报网讯1月23日，物产中大（600704）在互动平台回答投资者提问时表示，公司控股子公司物产 中大金属集团有限公司已中标云栖小镇核心区的商业航天智能制造基地项目的钢材配送，柒鑫合金材料 有限公司对该项目无提供配送。 ...