Market Overview - The A-share market experienced slight fluctuations in the morning, followed by a collective drop in the afternoon, with the Shanghai Composite Index closing down 1.15% at 3831 points, the Shenzhen Component down 1.06%, and the ChiNext Index down 1.64% [1] - The total trading volume for the day was 3.17 trillion yuan, an increase of 763.6 billion yuan compared to the previous trading day, with over 4300 stocks declining across the market [1] Sector Performance - The precious metals, gold, and non-ferrous metals sectors saw significant declines, with Xiaocheng Technology dropping over 8% and Electric Alloy falling nearly 10% [1] - The large financial sector experienced widespread declines, particularly in diversified finance and brokerage firms, with Changcheng Securities and Zhinan Compass both dropping over 6% [1] - Lithium mining concepts also fell, with Zhongmin Resources leading the decline [1] - Other sectors that faced notable declines included real estate services, pork concepts, titanium dioxide, coal, and beauty care [1] - Conversely, the tourism and hotel sector performed well, with Yunnan Tourism and Qujiang Cultural Tourism both hitting the daily limit [1] - The CPO concept was active, with stocks like Hengtong Optic-Electric and Fenghuo Communication reaching their daily limit [1] - The automotive service sector rose against the trend, with Dezong Automotive hitting a 30% limit up [1] - Sectors such as MLCC, F5G concepts, and wind power equipment showed strong gains [1] Index Performance - The Shanghai Composite Index closed at 3832.69, down 1.13% - The Shenzhen Component closed at 13073.70, down 1.07% - The ChiNext Index closed at 3095.19, down 1.66% [1]

Group 1 - The A-share market saw all three major indices open lower but then rise, with the ChiNext Index reaching a new high of 3168.68 points on September 18, 2025, marking a 24.19% increase over the past month, outperforming other major indices [1] - The semiconductor sector experienced strong gains, with SMIC hitting a new high, while the CPO and humanoid robot concepts remained active [1] - As of September 18, 2025, the ChiNext Index was up 0.40%, and the ChiNext ETF (Guangfa, 159952) rose by 0.47%, achieving a four-day consecutive increase [1] Group 2 - The ChiNext ETF (Guangfa) reached a new high in scale at 15.037 billion yuan and a new three-month high in shares at 7.898 billion [2] - The ETF has seen continuous net inflows over the past four days, with a peak single-day net inflow of 360 million yuan, totaling 1.007 billion yuan [2] - Recent favorable developments in the new energy industry include breakthroughs in solid-state battery technology, rising demand for energy storage, and efforts to stabilize prices [2] Group 3 - The ChiNext Index is heavily weighted in the new energy sector, with battery (22.03%), communication equipment (16.30%), securities (7.84%), and photovoltaic equipment (4.98%) being the primary industries [1] - The ChiNext ETF closely tracks the ChiNext Index, consisting of 100 stocks with high market capitalization and liquidity, focusing on strategic emerging industries such as power equipment, biomedicine, and electronics [2]

Market Overview - On September 18, A-shares saw all three major indices turn positive after a low opening, with the Shanghai Composite Index rising by 0.45% to 3893.95 points, the Shenzhen Component Index increasing by 0.79% to 13319.70 points, and the ChiNext Index up by 0.49% to 3162.90 points, all reaching new highs since 2015 and 2022 [1][2]. Semiconductor Sector - The semiconductor industry chain experienced significant gains, with multiple stocks hitting the daily limit. Notable performers included Dekoli and Huicheng Co., both achieving a 20% increase, while several other stocks rose over 10% [4][5]. - The semiconductor sector also saw strong performance in the Hong Kong market, with companies like SMIC and Hua Hong Semiconductor showing robust gains [4]. Robotics Sector - The humanoid robot concept stocks have been in high demand, with several stocks experiencing limit-up trading. Companies like Lihengxing and Jilun Intelligent achieved a 20% increase, while others like Wuzhou Xinchun and Langdi Group saw gains of 10% [11][12]. - Tesla's Optimus robot is making significant progress, with plans for AI chip design evaluations and upcoming meetings regarding AI and autonomous driving systems [13]. CPO Concept - The CPO concept stocks surged again, with Dekoli achieving a 20% increase, while companies like Zhongtian Technology and Hengtong Optic-Electric rose by 10% [15][16]. AI and Computing Power - Huawei's recent reports predict a 100,000-fold increase in total computing power by 2035, driven by the exponential growth in AI applications. The global AI server market is expected to reach $125.1 billion by 2024 and grow to $222.7 billion by 2028 [17]. - The optical module industry is experiencing unprecedented growth due to the surge in AI computing power demand, with 800G optical modules being widely deployed and 1.6T modules entering the market [17].

Group 1 - The A-share market saw a strong performance in CPO concept stocks, with Dekoli hitting the daily limit up of 20% [1] - Guangku Technology increased by over 18%, while Fenghuo Communication, Zhongtian Technology, and Hengtong Optic-Electric all reached the daily limit up of 10% [1] - Other notable performers included Zhongbei Communication and Changxin Bochuang, which rose by over 8%, and Guangxun Technology, Huamao Technology, Unisplendour, and Tongfu Microelectronics, which increased by over 6% [1]

东莞证券表示，海外流动性环境趋于宽松，与此同时，国内8月经济延续边际放缓态势，市场对政策 端"适时加力"的预期持续升温，两大因素叠加，有望为A股后续行情蓄积更多上行动能。不过需注意的 是，当前主要指数已运行至阶段性高位，震荡整理过程中资金分歧正逐步加大，盘中波动加剧的风险不 容忽视。因此，投资者在操作上建议灵活控制仓位，避免盲目追高，同时结合板块景气度与估值水平， 积极优化持仓结构。 校对： 苏焕文 （文章来源：证券时报网） 18日早盘，两市股指强势上扬，沪指逼近3900点，科创50指数大涨超3%，场内超2700股飘红。 截至午间收盘，沪指涨0.45%报3893.95点，深证成指涨0.79%，创业板指涨0.49%，科创50指数涨 3.4%，沪深北三市合计成交17205亿元。 盘面上看，有色、煤炭、券商、保险、酿酒、银行等板块走低，半导体板块再爆发，CPO概念、人形机 器人概念等活跃。 ...

视频丨倪雨晴 杨浩凯 9月18日，A股三大指数集体低开，截至中午收盘，沪指涨0.45%，深成指涨0.79%，创业板指涨0.49%。 科创50指数扩大涨幅至3%，站上1400点，再创3年多新高。 | 行情 | 资金净流入 | 涨跌分布 | | --- | --- | --- | | 上证指数 | 深证成指 | 北证50 | | 3893.95 | 13319.70 | 1624.34 | | +17.61 +0.45% +104.24 +0.79% +16.90 +1.05% | | | | 科创50 | 创业板指 | 万得全A | | 1417.05 | 3162.90 | 6344.93 | | +46.62 +3.40% +15.55 +0.49% +47.24 +0.75% | | | | 沪深300 | 中证500 | 中证A500 | | 4565.64 | 7341.75 | 5523.51 | | +14.62 +0.32% +81.71 +1.13% +31.10 +0.57% | | | | 中证1000 | 深证100 | 中证红利 | | 7655.38 | 5810.49 | 5486 ...

记者丨 张嘉钰 李香香 编辑丨江佩佩 视频丨倪雨晴 杨浩凯 9月18日，A股三大指数集体低开， 截至中午收盘，沪指涨0.45%，深成指涨0.79%，创业板指涨0.49%。 科创50指数扩大涨幅至3%，站上1400点，再创3年多新高。 全市场半日成交额约1.72万亿元，超2700只个股上涨。 盘面上，半导体板块强势拉升，中芯国际盘中股价创新高；CPO概念走强，德科立涨停；人形机器人概念持续活跃，均胜电子涨停。此外，电 脑硬件、通信设备等板块涨幅居前；大金融、煤炭、贵金属等板块走弱。热门个股方面，天普股份复牌一字涨停，走出12连板。 | | Wind热门概念指数 | | | | | | Wind中国行业指数 | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 光模块(CPO) | 半导体设备 中芯国际产业 | | ASIC芯片 | 宇树机器人 | 半島体 | 电脑硬件 | 通信设备 | 工业机械 | 汽车零部件 | | 5.09% | 4.77% | 3.99% | 3.97% | 3.77% | 3.91% | 3.36% ...

转自：新华财经 新华财经北京9月18日电（罗浩）沪深两市三大股指9月18日普遍低开，各股指盘初整理，9时50分后开 始震荡上扬，至午间收盘时普遍上涨。 沪指、深成指、创业板指、沪深300指数、科创50指数、科创综指等A股主要股指在9月18日早盘期间均 创下了阶段盘中新高。 板块方面，纺织制造、重组蛋白、汽车拆解等板块在开盘时涨幅靠前。半导体、酒店餐饮、汽车等板块 在盘初表现强势，CPO概念、存储芯片、EDA概念、液冷服务器、人形机器人、光刻机、华为海思、量 子科技等多板块在盘中波动上扬，铜缆高速连接、通信设备、6G概念、毫米波雷达等板块在午间收盘 前进一步拉升。至午间收盘时，通信设备、半导体、CPO概念等板块涨幅靠前，多元金融、煤炭、猪肉 等板块跌幅靠前。 至午间收盘时，上证指数报3893.95点，涨幅0.45%，成交额约7456亿元；深证成指报13319.70点，涨幅 0.79%，成交额约9564亿元；创业板指报3162.90点，涨幅0.49%，成交额约4535亿元；科创综指报 1689.32点，涨幅3.09%，成交额约2113亿元；北证50指数报1624.34点，涨幅1.05%，成交额约185亿 元。 " ...

Core Viewpoint - A-shares experienced a positive trend with the Shanghai Composite Index rising by 0.45%, driven primarily by a surge in the semiconductor sector and notable performances from specific stocks [1] Market Performance - The three major A-share indices opened lower but rebounded, with the Shanghai Composite Index nearing 3900 points during the session [1] - The Shenzhen Component Index increased by 0.79%, while the ChiNext Index rose by 0.49% and the Sci-Tech 50 Index surged by 3.4% [1] - The total market turnover for the half-day session reached approximately 1.72 trillion yuan [1] Sector Highlights - The semiconductor sector showed strong performance, with stocks like SMIC hitting new highs [1] - The CPO concept stocks gained traction, exemplified by Dekeli's stock reaching the daily limit [1] - The humanoid robot concept remained active, with Junsheng Electronics also hitting the daily limit [1] - Other sectors such as computer hardware and communication equipment saw significant gains, while large financials, coal, and precious metals sectors underperformed [1] Notable Stocks - Tianpu Co. resumed trading with a limit-up increase, marking its 12th consecutive trading day of gains [1]

【午评：科创50指数一度涨超4% 中芯国际、工业富联均创历史新高】智通财经9月18日电，沪指早间 震荡走强，创业板指探底回升，科创50盘中一度涨超4%创3年多新高。沪深两市半日成交额1.7万亿， 较上个交易日放量1574亿。盘面上热点轮番活跃，机器人概念股延续强势，板块内超20只个股涨停，首 开股份12天11板，万向钱潮4连板。芯片产业链快速走高，天普股份复牌后12连板，中芯国际、海光信 息、北方华创大涨创历史新高。算力概念股持续回暖，工业富联涨停再创历史新高。下跌方面，有色金 属板块集体下跌，晓程科技大跌。板块方面，芯片产业链、风电、CPO等板块涨幅居前，有色金属、大 金融等板块跌幅居前。截至收盘，沪指涨0.45%，深成指涨0.79%，创业板指涨0.49%。 转自：智通财经 ...