Core Viewpoint - The Sci-Tech Innovation 50 Index experienced a decline, closing at 1453.48 points with a drop of 1.20% on February 4, 2023, amidst a total trading volume of approximately 765.9 billion yuan [1]. Group 1: Market Performance - The majority of stocks on the Sci-Tech Board saw declines, with 209 stocks rising. High-priced stocks showed mixed performance while low-priced stocks mostly increased [2]. - On average, the 600 stocks on the Sci-Tech Board experienced a decline of 0.64%, with an average turnover rate of 2.89% and a total trading volume of 242.9 billion yuan, alongside an average fluctuation of 4.16% [2]. Group 2: Individual Stock Performance - Shichuang Energy and JinkoSolar led the gainers with a rise of 20%, while Kaipu Cloud had the largest drop at 12.57% [3]. - In terms of trading volume, Cambrian Technology topped the list with a trading volume of 12.6 billion yuan, while Hanbang Technology had the lowest at 1.302 million yuan [4]. Group 3: Turnover Rate - Hengyun Chang had the highest turnover rate at 26.8%, while Bairen Medical recorded the lowest turnover rate at 0.17% [5].

Core Viewpoint - The A-share market experienced a slight adjustment, with the Shanghai Composite Index closing near flat, while the Shenzhen Component Index and the ChiNext Index fell by 0.92% and 1.74%, respectively [2]. Market Performance - The cyclical sectors showed strength, with resource stocks, real estate infrastructure, consumer goods, and chemical industries performing actively. In contrast, AI hardware and application sectors faced significant declines, drawing market attention [3]. - Specifically, leading stocks in AI hardware, namely Zhongji Xuchuang and Xinyi Sheng, saw substantial drops, with both stocks falling over 10% at one point during trading. By the close, Zhongji Xuchuang and Xinyi Sheng had decreased by 5.24% and 5.66%, respectively [3][6]. Reasons for Decline in AI Hardware Stocks - Concerns arose regarding the impact of CPO (Co-Packaged Optics) technology on the optical module industry, as its deployment timeline became clearer. CPO technology integrates network switching chips and optical modules, enhancing transmission speed while reducing size and power consumption [6]. - As leading stocks in the optical module sector, Zhongji Xuchuang and Xinyi Sheng are perceived to have limited growth expectations, contributing to the market's bearish sentiment [6]. - Historical trends indicate that stocks becoming the top holdings in mutual funds often experience subsequent declines. Zhongji Xuchuang recently replaced Ningde Times as the top holding, coinciding with a drop of 5.8% the following day [7]. - The decline in U.S. stocks such as Nvidia and Broadcom also negatively influenced sentiment towards A-share computing hardware stocks [7]. AI Application Sector Performance - The AI application sector also faced significant declines, with various concepts like Sora, Zhipu AI, and multimodal AI experiencing substantial drops. Notable stocks such as Zhi De Mai, Tianlong Group, and BlueFocus saw declines of 11.56%, 10.95%, and 10.02%, respectively [8][9]. - Concerns about the potential impact of AI on software companies have been a focal point in recent discussions, with fears that AI could replace core business functions in software firms [10].

Group 1 - The core viewpoint of the news is that the leading optical module stocks, Zhongji Xuchuang and Xinyi Sheng, experienced significant declines, which negatively impacted the AI hardware sector as a whole [1][4]. - The recent clarity in the deployment timeline of CPO (Co-Packaged Optics) technology has raised market concerns about its potential impact on the optical module industry, as CPO can enhance transmission speed and efficiency while reducing size and power consumption [2][3]. - Zhongji Xuchuang and Xinyi Sheng's performance forecasts for 2025 indicate substantial profit growth, with Zhongji Xuchuang expecting a net profit of 9.8 billion to 11.8 billion yuan (approximately $1.4 billion to $1.7 billion), representing a year-on-year increase of 89.5% to 128.17%, and Xinyi Sheng projecting a net profit of 9.4 billion to 9.9 billion yuan (approximately $1.3 billion to $1.4 billion), with a year-on-year increase of 231.24% to 248.86% [3]. - The phenomenon of stocks that become the top holdings in public funds often experiencing subsequent declines is highlighted, with Zhongji Xuchuang recently taking this position, which coincided with a drop in its stock price [3]. Group 2 - The decline in U.S. stocks such as Nvidia and Broadcom has affected market sentiment towards A-share computing hardware stocks, contributing to the overall downturn in the AI application sector [4]. - Concerns about the potential replacement of core business functions in software companies by AI technology have led to a significant drop in the software services sector in the U.S. market [5]. - The ongoing debate about whether large AI models will overshadow software companies is noted, with insights suggesting that AI's impact is not limited to software, and various companies are adapting to leverage AI opportunities [6].

港股晨报 2026 年 2 月 4 日 国投证券（香港）有限公司 • 研究部 1. 国投证券国际视点：科技股借势调整，资金流向实体经 济 昨日港股三大指数涨跌互现。截至收盘，恒生指数涨 0.22%，国企指数跌 0.3%， 恒生科技指数跌 1.07%。南向资金北水方面，港股通交易净流入 9.52 亿港元。 港股通 10 大成交活跃股中，北水净买入最多的是腾讯控股 700.HK、中国移动 941.HK、美团 3690.HK；净卖出最多的是盈富基金 2800.HK、中芯国际 981.HK、 阿里巴巴 9988.HK。 板块方面，光通讯概念股录得显著涨幅。其中，汇聚科技 1729.HK 涨 12.73%， 长飞光纤光缆 6869.HK 涨 12.23%，FIT HON TENG 6088.HK 涨 9.57%，剑桥科 技 6166.HK 涨 4.48%，京信通信 2342.HK 涨 3.18%。 重型机械板块上行。中联重科 1157.HK 涨 9.68%，三一国际 631.HK 涨 8.94%， 中国龙工 3339.HK 涨 6.71%，中国重汽 3808.HK 涨 5.6%。根据海关总署， 2025 年我国工程机械 ...

Market Overview - On February 3, 2026, all three major U.S. stock indices closed lower due to a shift towards cyclical and value stocks, a new wave of AI replacement risks, and escalating tensions between the U.S. and Iran[2] - The Hang Seng Index closed at 26,835, down 0.22% for the day but up 4.70% year-to-date[3] - The S&P 500 index fell by 0.84%, while the Nasdaq dropped by 1.43%[3] Technology Sector Impact - Major tech stocks experienced significant declines, with Nvidia down 2.84%, Microsoft down 2.87%, and Meta down 2.08% due to fears of AI replacing software services[12] - AI data analytics company Palantir saw a 6.85% increase in stock price after reporting a 70% year-over-year revenue growth, reaching $1.41 billion for Q4 2025[12] Commodity and Resource Stocks - Gold prices surged, with spot gold rising nearly 6% to over $4,900 per ounce, while silver prices jumped 10% to $87.21 per ounce[9] - Resource stocks performed well, with Southern Copper rising 11.74% and Energy Fuels increasing by 16.56% amid rising commodity prices[12] Corporate Developments - China National Building Material saw an 8.51% increase after BlackRock raised its stake, reflecting long-term confidence despite a profit warning[9] - AMD's Q4 2025 revenue and EPS showed strong double-digit growth, but its Q1 2026 revenue guidance fell short of market expectations, leading to a 7% drop in after-hours trading[15]

美东时间2月3日（周二），伴随着市场风格切换至周期和价值股，叠加新一轮"AI抢饭碗"的软件股抛售潮和美伊对峙升温影响，美国股市三大股指全线收 跌，纳斯达克指数盘中跌幅达2.39%，美股科技巨头走弱。 截至收盘，标普500指数跌0.84%，报6917.81点；纳斯达克综合指数跌1.43%，报23255.19点；道琼斯工业平均指数跌0.34%，报49240.99点。纳斯达克指数 近乎跌去年内涨幅。 美股科技七巨头中，仅微软收涨，英伟达、脸书、亚马逊跌幅均超过2%。 英伟达盘中一度跌超5%，截至收盘跌2.84%，市值一夜蒸发1281亿美元（约合人民币8888亿元）。 | 名称 | 现价 | 涨跌幅 ◆ | 成 三 | | --- | --- | --- | --- | | 微软(MICROSOFT | 411.210 | -2.87% | 186.93亿 | | MSFT.O | | | | | 英伟达(NVIDIA) | 180.340 | -2.84% | 262.88亿 | | NVDA.O | | | | | 脸书(META PLATF | 691.700 | -2.08% | 67.18亿 | | MET ...

隔夜美股，受软件股抛售潮和美伊对峙升温影响，大型科技股走弱，三大指数全线走低。 纳斯达克指数近乎跌去年内涨幅 | TAIN ISAAL | 1327.020 | -8.54% | 5.32亿 | | --- | --- | --- | --- | | FICO.N | | | | | APPLOVIN | 461.790 | -4.39% | 25.30亿 | | APP.O | | | | | 财捷(INTUIT) | 434.090 | -10.89% | 25.03亿 | | INTU.O | | | | | CROWDSTRIKE | 421.730 | -3.90% | 11.92亿 | | CRWD.O | | | | | 新思科技(SYNOPS | 419.140 | -8.46% | 17.03亿 | | SNPS.O | | | | | 微软(MICROSOFT | 411.210 | -2.87% | 186.91亿 | | MSFT.O | | | | | CYBERARK SOFT | 406.670 | -4.82% | 2.02亿 | | CYBR.O | | | | | 儒博科技 ...

【导读】纳斯达克指数近乎跌去年内涨幅 隔夜美股，受软件股抛售潮和美伊对峙升温影响，大型科技股走弱，三大指数全线走低。 纳斯达克指数近乎跌去年内涨幅 美东时间2月3日（周二），美股高开低走。受软件股抛售和地缘政治影响，三大指数全线走低。纳斯达克指数盘中跌幅达2.39%，美股科技巨头走弱。 截至收盘，标普500指数跌0.84%，报6917.81点；纳斯达克综合指数跌1.43%，报23255.19点；道琼斯工业平均指数跌0.34%，报49240.99点。纳斯达克指数 近乎跌去年内涨幅。 美股科技七巨头中，仅微软收涨，英伟达、脸书、亚马逊跌幅均超过2%。 | 名称 | 现价 | 涨跌 | | 涨跌幅 | 年初至今 | | --- | --- | --- | --- | --- | --- | | 道琼斯工业平均 | 49240.99c | -166.67 | | -0.34% | 2.45% | | 纳斯达克指数 | 23255.19c | -336.92 | | -1.43% | 0.06% | | 标普500 | 6917.81c | -58.63 | | -0.84% | 1.06% | | 名称 | 现价 | ...

英伟达CEO黄仁勋周二否认了与OpenAI交易生变的传闻。他在接受媒体采访时明确表示，公司投资OpenAI的 计划仍在"按计划推进"，否认了近期有关双方关系紧张的市场传闻。他强调："完全没有争议，这些说法纯属 无稽之谈......没有任何戏剧性，一切都在按计划推进......我们非常乐意与OpenAI合作。"黄仁勋进一步确认，英 伟达将参与OpenAI下一轮融资，他称这将是"史上最大规模的私募融资"。 Ritholtz财富管理公司CEO Josh Brown表示："我认为每年都会出现一两次这类行情。诱因总不相同，但结果总 是相似——前期涨势中最受欢迎的交易会遭遇彻底打击。风险偏好正在从所有科技相关领域撤出。" 当前，美国政策不确定性仍高，美国劳工统计局（BLS）称因部分停摆，原定于周五公布的非农就业报告将推 迟发布。美国劳工统计局副局长艾米莉-利德尔在一份声明中表示："2026年1月的《就业形势报告》将不会按 原计划于2月6日（周五）发布。该报告将在政府资金恢复后重新安排发布日期。"目前，尚不清楚美国商务部 是否会因华盛顿的僵局而面临报告延迟。此项决定正值经济数据密集发布周，而本周原本将以非农就业报告 （亦称 ...

英伟达同样下挫，这只人工智能风向标3%的跌幅使其年内亏损进一步扩大。 与此同时，软件股延续2026年跌势，ServiceNow和Salesforce等股票各下跌约7%。 Ritholtz财富管理公司CEO Josh Brown表示："我认为每年都会出现一两次这类行情。诱因总不相同，但 结果总是相似——前期涨势中最受欢迎的交易会遭遇彻底打击。" 他指出，Palantir Technologies回吐早盘部分涨幅就是例证。Palantir公司公布强劲的第四季度财务业绩和 乐观指引后，周二开盘时股价一度跃升10%。 Josh Brown补充道："这表明风险偏好正在从所有科技相关领域撤出。" 北京时间2月4日凌晨，美股周二尾盘跌幅扩大。道指下跌逾400点，纳指下跌500点。投资者抛售科技 股，转而投向与经济复苏更广泛相关的股票。美政府部分停摆将使1月就业报告将无法如期在本周五公 布。 道指跌424.41点，跌幅为0.86%，报48983.25点；纳指跌509.28点，跌幅为2.16%，报23082.82点；标普 500指数跌98.13点，跌幅为1.41%，报6878.31点。 纳指抹去今年以来的涨幅，转为下跌。 多数 ...