相关ETF：科创50ETF588000 截至9月11日，科创50指数持仓寒武纪占比14.47%，为指数第一大持仓股票。 9月12日下午，寒武纪持续拉升，截至发稿上涨8.64%，股价重回1500元。 ...

Group 1 - The Sci-Tech Innovation 50 Index experienced a rapid increase of over 2% at the beginning of trading [1] - Among the constituent stocks, Chip Origin Technology surged over 16% [1] - Other notable performers included Cambricon Technologies and Baiwei Storage, both rising over 5% [1]

来源：上海证券报·中国证券网 上证报中国证券网讯 截至9月11日10时40分，科创50指数涨近2.5%。 数据来源：Choice 金融终端 ...

每经AI快讯，9月11日，截至目前，创业板指涨幅扩大至3%，科创50指数涨幅逼近5%。 ...

每经AI快讯，9月11日，指数走强，科创50指数涨5.06%，沪指涨1.01%，深成指涨2.45%，算力硬件、 半导体等板块指数涨幅居前，沪深京三市超3100股上涨。 ...

人民财讯9月11日电，科创50指数涨近5%；海光信息大涨近20%，总市值超5100亿元。 ...

Group 1 - The Sci-Tech Innovation 50 Index opened high and closed at 1259.10 points, with an increase of 1.09% and a fluctuation of 2.14%, with a total trading volume of approximately 711.4 billion yuan [1] - Most stocks on the Sci-Tech Board rose, with 251 stocks increasing in value. High-priced stocks generally performed well, while low-priced stocks showed a downward trend [1] - In specific sectors, semiconductor and component stocks were active, while electrical equipment and specialized machinery stocks experienced the largest declines [1] Group 2 - On September 10, excluding one suspended stock, the remaining 588 stocks on the Sci-Tech Board had an average increase of 0%, an average turnover rate of 2.81%, a total trading volume of 197.6 billion yuan, and an average fluctuation of 3.78% [1] - In individual stock performance, Jiayuan Technology surged by 20%, leading the component stocks, while Daqing Energy fell by 8.05%, marking the largest decline [2] - In terms of trading volume, Cambrian Technology topped the list with a trading volume of 176.6 billion yuan, while Shuangyuan Technology had the lowest trading volume at 896.5 million yuan [3] - Regarding turnover rates, Aggregated Materials had the highest turnover rate at 19.96%, while Longteng Optoelectronics had the lowest at 0.18% [4]

Group 1 - The ChiNext Index and the STAR 50 Index both rose over 2% in the afternoon session on September 10, indicating strong market performance [1] - The Shanghai Composite Index increased by 0.29%, while the Shenzhen Component Index rose by 0.72%, reflecting positive investor sentiment [1] - The sectors leading the market included computing hardware, communication services, and film and television box office, with over 2,500 stocks in the market experiencing gains [1]

Group 1 - The Sci-Tech 50 Index opened slightly higher on September 5 and experienced significant gains throughout the day, closing at 1268.55 points with an increase of 3.39% and a trading range of 4.43%, with a total trading volume of approximately 74.74 billion [1] - The Sci-Tech Composite Index rose by 3.92% to close at 1544.30 points, with a total trading volume of 237.8 billion [1] - Excluding suspended stocks, the remaining 586 stocks on the Sci-Tech Board showed a general upward trend, with an average increase of 3.68% and an average turnover rate of 3.67%, totaling a trading volume of 237.8 billion and an average fluctuation of 5.54% [1] Group 2 - Individual stock performance saw stocks like Yuchen Intelligent, Liyuanheng, and Tianyue Advanced hitting the daily limit, while Qianyan Biology experienced a significant drop of 16.34%, the largest decline [2] - In terms of trading volume, Hanwujing led with a trading volume of 24.71 billion, while *ST Guandian (rights protection) had the lowest at 1.08 million [3] - The highest turnover rate was recorded by Xinyu Ren at 35.23%, while Longteng Optoelectronics had the lowest turnover rate at 0.38% [3]

中经记者 孙汝祥 夏欣 北京报道 （编辑：夏欣 审核：何莎莎 校对：颜京宁） 根据指数规则，上交所与中证指数有限公司决定调整科创50等指数样本，于9月12日收市后生效。 业内专家表示，9月12日季度调样生效后，科创50指数占总市值比重将提升0.3%，代表性进一步增强。 针对近期寒武纪股价异动，专家表示，寒武纪在2022—2024年陆续纳入相关主要指数，彼时寒武纪股价 尚低，初步估算，寒武纪在指数样本中权重的自然增长超八成来自于纳入后股价的上涨，不存在故意推 高市值以进入指数样本的情形。 近期，寒武纪股价波动较大，据公开数据统计，相关指数ETF产品份额并未明显变化。专家认为，据此 判断近期股价大幅波动并非相关指数ETF产品由于跟踪指数所引起的。 此外，专家指出，今年中报数据显示，寒武纪等科创板公司业绩亮眼，市场对科创企业未来业绩有较好 预期，也必将吸引更多的资金流入科创板。 ...