Core Insights - The 10th Xiamen Patent Award has recognized four outstanding companies in Huli District, showcasing the region's strong technological innovation capabilities [1] - Keda Data Co., Ltd. won the special award for its core patent related to battery devices and power supply systems, while Xiamen Golden Dragon Bus Co., Ltd. received the gold award for the design of its autonomous bus [1][2] - The Huli District Market Supervision Administration has played a crucial role in supporting these innovations through effective services and policies [1][3] Company Highlights - Keda Data's core technology has achieved breakthroughs in lithium battery integration design, safety protection, and flexible architecture, reaching an international advanced level [2] - The patented technology has addressed common industry challenges such as safety risks and power supply reliability, generating an economic benefit of up to 1.8 billion yuan over the past three years [2] - Xiamen Golden Dragon's "Star" autonomous bus is the first L4 level autonomous bus in China with complete independent intellectual property rights, featuring innovative design and technology [2] Industry Support and Development - The Huli District Market Supervision Administration has implemented targeted guidance and support for high-value patents, including expert teams for one-on-one assistance [3] - The administration has established diagnostic groups to address intellectual property challenges faced by companies during research and transformation [3] - Continuous efforts to enhance service efficiency include regular policy briefings and strategic decision-making support for companies [3][4]

近日，财富中文网与全球同步发布了最新的《财富》世界500强排行榜，其中净资产收益率(ROE)子榜 尤为引人注目。在本次榜单中，联想集团以出色的表现跻身中国净资产收益率最高公司TOP5，这不仅 彰显了其作为科技巨头的稳健实力，也为投资者提供了重要参考。 ROE作为衡量公司盈利能力的关键指标，通过将净利润除以平均净资产来计算，它直观地反映了公司利 用自有资本为股东创造利润的效率。简单来说，ROE告诉我们每投入一元净资产能产生多少利润。高 ROE通常意味着公司拥有强大的盈利能力和高效的资本管理，而低ROE则可能暗示经营效率不足或竞争 压力。 "股神"巴菲特特别看重ROE，这位投资大师曾公开表示，如果只能用一个指标选股，他会选择ROE。原 因很简单：持续高ROE的公司，往往具备"护城河"。因为ROE指标的核心价值在于它超越了简单的利润 数字，揭示了公司如何优化资本结构：一家ROE高的公司不仅能快速回本，还能通过再投资加速增长， 从而提升股东价值。相反，低ROE可能源于高负债、低效率或行业周期性，投资者需警惕其潜在风险。 在全球ROE榜上，Cencora公司以超过233%的惊人ROE跃居榜首，家得宝公司以约223%滑落 ...

2025.07. 31 本文字数：2918，阅读时长大约5分钟 作者 | 第一财经 缪琦 计亚 肖逸思 "我们工厂直接放假一天。"宁波外贸人丁言东7月30日告诉第一财经，本来当天早上预约了一个集装箱的 货物运出，发现天气不妙就临时取消了，还紧急通知全员休息一天，"不少工人骑电动车上班，很多地方 路面有积水担心不安全"。 今年第8号台风"竹节草"在7月30日早晨4点30分左右，于浙江省舟山市朱家尖岛沿海登陆，随后再次入 海。当天上午，"竹节草"的7级风圈已经触达上海、浙江宁波等地；16时40分前后，"竹节草"的中心在 上海市奉贤区沿海再次登陆，登陆时强度为热带风暴级，中心附近最大风力有9级（23米/秒）。 随台风而来的降雨区29日夜间起便已逐渐在浙江沿海一带展开，江苏、上海、浙江等地部分地区已现暴 雨到大暴雨。截至30日15时，浙江镇海24小时累计降水量已达271.2毫米，为特大暴雨量级。 7月30日7时24分，堪察加东岸远海海域发生强烈地震，自然资源部海啸预警中心发布了海啸黄色预警。 当天晚些时候，预警中心解除了浙江、上海沿岸的海啸黄色警报，继续针对我国台湾东部沿岸发布海啸黄 色预警。 由于"竹节草"周围引导 ...

格隆汇7月31日｜A股开盘，上证指数跌0.3%，深证成指涨0.05%，创业板指涨0.65%。盘面上，CPO概 念高开，东山精密(002384)、中际旭创(300308)、生益电子涨超5%；辅助生殖概念活跃，利德曼 (300289)、汉商集团(600774)涨停，我国31省将辅助生殖技术纳入医保；有色金属板块普跌，湖南白 银、北方铜业跌超3%；军工装备板块低开，国瑞科技跌超8%，建设工业跌近6%。(格隆汇) 【免责声明】本文仅代表作者本人观点，与和讯网无关。和讯网站对文中陈述、观点判断保持中立，不对所包含内容 的准确性、可靠性或完整性提供任何明示或暗示的保证。请读者仅作参考，并请自行承担全部责任。邮箱： news_center@staff.hexun.com (责任编辑：宋政 HN002) ...

格隆汇7月31日｜A股开盘，上证指数跌0.3%，深证成指涨0.05%，创业板指涨0.65%。盘面上，CPO概 念高开，东山精密、中际旭创、生益电子涨超5%；辅助生殖概念活跃，利德曼、汉商集团涨停，我国 31省将辅助生殖技术纳入医保；有色金属板块普跌，湖南白银、北方铜业跌超3%；军工装备板块低 开，国瑞科技跌超8%，建设工业跌近6%。(格隆汇) ...

□ 本报记者俞圣彤 时至年中，无锡外贸交出了一份亮眼的"期中答卷"——今年1至6月，无锡外贸实现7.1%的稳健增长、高 出全省平均增速1.9个百分点，进出口总值达到3886亿元，进出口规模创历史同期新高。 开拓新路，携手全球合作伙伴 在无锡市锡山区中科微至科技股份有限公司厂区内，"交叉带智能分拣设备"正在高速运转，各式快递包 裹川流不息。"公司成立9年，开拓海外市场花了6年，我们已经逐步打破国际物流分拣制造商巨头的行 业垄断。"中科微至解决方案经理王漱旻介绍，公司产品现已畅销欧洲、北美、东南亚等地。今年1—5 月，企业外贸出口额同比增速达到了15%，目前正通过建海外工厂、海外分公司来加快"出海"步伐。 面对全球贸易变局，无锡外贸企业积极应对国际市场的变化，开拓、"加码"海外新兴市场。统计数据显 示，今年1—6月，无锡对多个主要贸易伙伴进出口保持正增长，其中韩国、东盟分别增长22.5%、 13.2%。同期，无锡对共建"一带一路"国家进出口2037.7亿元，增长9.9%，占全市比重的52.4%；对 RCEP其他国家进出口1775.4亿元，增长13.4%，占全市比重为45.7%。 7月21日，在无锡全裕电子科技有限 ...

Group 1 - The company, Xinwanda (300207.SZ), submitted an application for the issuance of overseas listed foreign shares (H shares) to the Hong Kong Stock Exchange on July 30, 2025 [1] - The application materials for this issuance and listing were published on the Hong Kong Stock Exchange website on the same day [1]

Group 1 - The company Kunshan Wanyuantong Electronic Technology Co., Ltd. announced the use of idle raised funds to purchase financial products amounting to 30 million yuan [1] - As of now, the company has an unexpired balance of 165 million yuan from the investment in financial products using idle raised funds [1]

截至发稿，鼎信通讯市值为44亿元。 每经头条（nbdtoutiao）——装个"AI脑"售价飙十倍！马斯克已下场，阿里、美团等大厂前高管正涌 入，这个万亿级赛道火了 每经AI快讯，鼎信通讯（SH 603421，收盘价：6.82元）7月30日晚间发布公告称，截至本公告披露日， 公司控股股东、实际控制人之一王建华先生持有公司股份91574884股，占公司总股本的14.04%。王建 华先生本次解除冻结股份数量为46132372股，占其持股总数的50.38%，占公司总股本的7.07%。本次股 份解除冻结后，王建华先生及其一致行动人剩余被冻结公司股份数量为0股。 2024年1至12月份，鼎信通讯的营业收入构成为：电力电子占比77.21%，消防电子占比15.81%，其他业 务占比4.54%，劳务占比2.44%。 （记者 胡玲） ...

Market Performance - The North Exchange has seen significant liquidity improvement due to policy support and a 30% price fluctuation limit, attracting incremental capital[1] - As of July 29, 2025, the North Exchange has 268 listed companies with an average market capitalization of 3.187 billion yuan, with 69.03% of companies valued between 1 billion and 3 billion yuan[7][11] - The North Exchange's average daily turnover rate reached 7.88% as of July 29, 2025, significantly higher than other A-share indices[14] Supply Side - The pace of new stock issuance is expected to steadily increase, with 145 companies currently in the IPO process as of July 29, 2025[28] - The average net profit of new three-board listed companies increased from 44.61 million yuan in January 2024 to 61.96 million yuan in the first half of 2025, supporting high-quality expansion of the North Exchange[28] Investment Value - North Exchange funds have consistently performed well, with many ranking in the top 25% of the market in 2024[33] - As of July 29, 2025, the North Exchange's PE (TTM) ratio stands at 52.80, placing it in the historical high range since its inception[18][22] Investment Recommendations - Key recommended stocks include Lin Tai New Material, Na Ke Nuo Er, and Yuan Hang Precision, focusing on high-quality leaders in niche sectors[34] - Specific sectors to watch include machinery, electric new energy, basic chemicals, light industry and consumption, TMT, automotive, and biomedicine[34] Risk Factors - Potential risks include policy risk, liquidity risk, and the possibility of corporate earnings falling short of expectations[63]