此外，科创综指ETF天弘（589860）盘中一度涨超1.4%，最高触及1.355元，盘中价格创上市以来新 高。成分股中，上纬新材、品茗科技20CM涨停，迪威尔、晶合集成、聚和材料等跟涨。 科创综指ETF天弘（589860）紧密跟踪科创综指，该指数于定位于科创板市场综合指数，对科创板的市 值覆盖度约为97%，成分股覆盖小市值硬科技企业，具有极强的表征性和突出的成长属性。前十大权重 股包括寒武纪-U、海光信息、中芯国际等科技龙头。 最新消息面上，长江存储母公司完成股改，最新估值超1600亿元。据第一财经报道，长江存储科技控股 有限责任公司（以下简称"长存集团"）近日召开了股份公司成立大会，大会选举产生了股份公司首届董 事会成员。此举意味着该公司完成了股份制改革。长存集团是国内唯一一家3D NAND原厂长江存储的 母公司。据胡润研究院最新发布的《2025全球独角兽榜》，长江存储估值1600亿元，位列中国十大独角 兽第九。2025年4月，上市公司养元饮品（603156）发布对外投资公告，称旗下子公司泉泓投资出资16 亿元投资长存集团，获得后者0.99%的股份，以此计算，长存集团估值则为1616亿元。 此外，明日（9月 ...

Group 1 - The Shanghai Stock Exchange Sci-Tech Innovation Board 100 Index (000698) decreased by 3.89% as of September 2, 2025, with mixed performance among constituent stocks [3] - Chengdu Huami (688709) led the gains with an increase of 10.39%, while Huafeng Technology (688629) experienced the largest decline at 12.43% [3] - The Sci-Tech 100 Index ETF (588030) fell by 4.01%, with the latest price at 1.29 yuan, but saw a cumulative increase of 4.50% over the past week [3] Group 2 - SK Hynix and other memory manufacturers are transitioning to foundry production for the next generation of HBM4, with TSMC selected for this role [4] - The demand for HBM (High Bandwidth Memory) is rapidly increasing, with SK Hynix projecting the custom HBM market to grow to several hundred billion dollars by 2030 [4] - The HBM industry chain is expected to enter a growth phase due to the ongoing demand for computing power in AI training and inference tasks [4] Group 3 - The Sci-Tech 100 Index ETF has seen a net value increase of 97.36% over the past year, ranking 241 out of 2990 in the index stock fund category [5] - The ETF's management fee is 0.15% and the custody fee is 0.05%, making it one of the lowest in its category [5] - As of September 1, 2025, the ETF's Sharpe ratio was 1.94, indicating strong risk-adjusted returns [5] Group 4 - The Sci-Tech 100 Index closely tracks the performance of 100 selected securities from the Shanghai Stock Exchange Sci-Tech Innovation Board, reflecting the overall performance of companies with medium market capitalization and good liquidity [6] - The top ten weighted stocks in the index account for 23.82% of the total index, with notable companies including Dongxin Co. (688110) and Huahong Semiconductor (688347) [6]