Core Viewpoint - The AI sector is experiencing significant growth, driven by advancements in domestic models and upcoming announcements from major companies like NVIDIA, which is set to unveil a new chip at the GTC 2026 conference [1]. Group 1: Market Performance - As of February 24, 2026, the CSI Artificial Intelligence Theme Index (930713) rose by 1.18%, with notable gains from stocks such as Runze Technology (up 14.82%), Beijing Junzheng (up 13.77%), and Lanke Technology (up 7.26%) [1]. - The AI Artificial Intelligence ETF (512930) increased by 1.01%, with the latest price reported at 2.3 yuan [1]. Group 2: Industry Insights - Dongguan Securities highlights that breakthroughs in domestic models are accelerating the transition of AI applications from a "parameter competition" to a "productivity competition," which is driving demand for underlying computing power and hardware such as PCBs [1]. - The CSI Artificial Intelligence Theme Index comprises 50 listed companies that provide foundational resources, technology, and application support for AI, reflecting the overall performance of AI-related securities [1]. Group 3: Top Holdings - As of January 30, 2026, the top ten weighted stocks in the CSI Artificial Intelligence Theme Index include Zhongji Xuchuang, Xinyi Sheng, Hanwujing, Lanke Technology, Keda Xunfei, Zhongke Shuguang, Hikvision, Haowei Group, Chipone, and Kingsoft, collectively accounting for 57.27% of the index [2].

Market Performance - The three major A-share indices all rose today, with the Shanghai Composite Index increasing by 1.17%, the Shenzhen Component Index by 1.82%, and the ChiNext Index by 1.76% [1] - The strong performance was driven by cyclical stocks, particularly in the oil and gas extraction, non-ferrous metals, and chemical sectors [3] Sector Highlights - The oil and gas extraction and services sector saw significant gains, with a notable increase of 10.29% [3] - Key stocks in this sector included: - Keli Co., Ltd. (涨幅 23.75%, 市值 17 billion) - Tongyuan Petroleum (涨幅 20.04%, 市值 74.8 billion) - Zhongyou Engineering (涨幅 10.13%, 市值 237 billion) [3] - The optical fiber sector also performed strongly, with Changfei Optical Fiber hitting a historical high and a market value of 194.3 billion [4][6] Price Trends - The price of G.652.D single-mode optical fiber reached a near seven-year high of over 35 yuan per core kilometer, driven by increased demand from global AI data centers and supply constraints [6] - The MLCC (Multi-layer Ceramic Capacitor) sector experienced a price increase of nearly 20% in the Korean market, attributed to surging demand from AI servers, which require three times more MLCCs than standard servers [7] Infrastructure and Technology - The power infrastructure sector, including ultra-high voltage and flexible DC transmission, saw significant gains, supported by government initiatives to establish a unified national electricity market by 2030 [10][11] - The expected capital expenditure from major cloud service providers like Amazon, Google, Meta, and Microsoft is projected to reach approximately 598.7 billion, indicating strong demand for AI computing power [8]

Market Performance - On February 24, A-shares saw all three major indices rise by over 1%, with more than 4,200 stocks gaining [1] - The Shanghai Composite Index increased by 1.17% to 4,129.78 points, the Shenzhen Component Index rose by 1.82%, and the ChiNext Index climbed by 1.76% [2] - The total trading volume for A-shares reached 1.52 trillion yuan, with a predicted increase to 2.35 trillion yuan, up by 354.2 billion yuan [2] Sector Performance - Resource stocks, particularly oil and gas, led the market rally, with significant gains in companies like Tongyuan Petroleum and CNOOC Services, among others [2] - AI-related stocks experienced a substantial pullback, with companies like Seedance and DeepSeek seeing declines [4] - The film and cinema sector faced a sharp decline, with major players like Light Media and China Film hitting their daily limit down [4] Hardware and Technology - Demand driven by AI has led to strong performance in computing hardware stocks, with companies like Longfly Fiber achieving new historical highs [3] - Other notable gainers in the computing hardware sector included Tianfu Communication and Zhongji Xuchuang [3] Overall Market Sentiment - The market sentiment was influenced by concerns over Trump's tariff policies and escalating tensions in the Middle East, contributing to the rise in resource cycle stocks [2]

Group 1 - The optical fiber industry is experiencing strong performance, with Changfei Optical Fiber (601869) hitting a historical high and a market value of 194.33 billion yuan [1] - According to Huatai Securities, the price of G.652.D single-mode optical fiber in China reached a near seven-year high of over 35 yuan per core kilometer in January 2026, driven by changes in supply and demand dynamics [1] - The demand surge is attributed to the global AI data center's increasing need for optical fibers, while supply constraints are due to the long expansion cycle of upstream materials like optical fiber preform [1] Group 2 - The MLCC (Multi-layer Ceramic Capacitor) sector is also witnessing price increases, with leading stock Fenghua Hi-Tech (000636) hitting a price limit [1] - Recent reports indicate that the spot price of MLCC in South Korea has risen nearly 20%, with expectations for continued short-term increases due to explosive growth in AI server demand [1] - MLCC is essential for stabilizing power supply and filtering interference signals in electronic devices, and the demand for MLCC in AI servers is three times higher than in regular servers, exacerbating supply tightness [1] Group 3 - Other sectors such as CPO, PCB, and copper cable high-speed connections are also rising, with companies like New Yisheng (300502) and Tianfu Communication (300394) seeing significant stock increases [2] - Huagong Technology (000988) has reached a price limit, with reports indicating that multiple production lines are operating at full capacity during the Spring Festival, ensuring the production of high-speed optical modules [2] - According to Xingye Securities, the combined capital expenditure guidance for major cloud service providers like Amazon, Google, Meta, and Microsoft is approximately 598.7 billion dollars for 2026, indicating a strong and certain demand for global AI computing power [2]

每日经济新闻 | 创业板ETF易方达 低费率 | | | | | --- | --- | --- | --- | | 跟踪创业板指数 | | | | | 该指数由创业板中市值大、流 动性好的100只股票组成,战 | 截至午间收盘 该指数涨跌 | 该指数 滚动市盈率 | 该指数自2 发布以来估 | | 略新兴产业占比较高,电力设 | | | | | 备、通信、电子行业合计占比 近60% | 1.8% | 42.1倍 | 38. 8 | | 创业板200ETF易方达 低费率 | | | | | 跟踪创业板中盘200指数 | | | | | 该指数由创业板中市值中等、 | 截至午间收盘 | 该指数 | 该指引 | | 流动性较好的200只股票组成, | 该指数涨跌 | 滚动市盈率 | | | 反映创业板市场中盘代表性公 | | | | | 司的整体表现,信息技术行业 | 1.0% | 113.0倍 | 2023年11 | | 占比超40% | | | 发布 | | 创业板成长ETF易方达 | | | | | 跟踪创业板成长指数 | | | | | 该指数由创业板中成长风格突 | | | | | 出、业绩增长较高、预 ...

| 行情 | 资金净流入 | 涨跌分布 | | --- | --- | --- | | 上证指数 | 深证成指 | 科创综指 | | 4129.78 | 14356.88 | 1810.53 | | +47.71 +1.17% +256.69 +1.82% | | +1.35 +0.07% | | 万得全A | 创业板指 | 北证50 | | 6851.92 | 3333.62 | 1544.00 | | +95.12 +1.41% +57.66 +1.76% | | +14.23 +0.93% | | 沪深300 | 中证500 | 中证A500 | | 4722.51 | 8429.52 | 5931.51 | | +62.10 +1.33% | +129.94 +1.57% | +90.79 +1.55% | | 中证1000 | 深证100 | 中证红利 | | 8340.82 | 5912.64 | 5764.33 | | +135.99 +1.66% | +112.95 +1.95% | +96.11 +1.70% | | 万得全A涨跌分布 | | | | 跌1131 | | 涨4275 | | ...

天孚通信(300394) < 日 交易中 02-24 11:09:39 通 融 357.62 额 91.9亿 股本 7.77亿 市盈™51.72 万得 盘口 +46.04 +14.78% 换 3.41% 市值 2780亿 市净 56.99 分时 五日 日K 周K 月K 更多 ◎ 均价: 347.20 盘口 | 资金 叠加 15.20% 卖5 357.90 358 93 2 357.80 3 型4 卖3 357.78 3 卖2 357.77 2 5 0.00% 卖1 357.66 311.58 买1 357.57 4 三环集团(300408) 交易中 02-24 11:10:06 通 融 5 4 . 1 7 万得 盘口 +7.34 +12.93% 换 2.08% 市值 1229亿 市净 5.85 分时 五日 日K 周K 月K 更多 ◎ 均价:65.10 盘口 | 资金 叠加 19.39% 卖5 64.16 33 67.78 20 卖4 64.15 | স | 卖3 64.14 | 5 | | --- | --- | --- | | 卖2 64.13 | 37 | | | 29 | 0 000 2 64 1 | ...

所以问题来了：下午我们该怎么办？ 朋友们中午好，我是帮主郑重。上午这盘面，够热闹。 三大指数涨超1%，成交额比昨天放大了3000多亿，全市场超过4200只股票在涨。单看这些数字，妥妥 的"开门红"氛围。 但你打开账户看一眼，是不是觉得哪里不对？影视院线跌了，AI应用跌了，光线传媒一度20cm跌停 ——昨天还在憧憬春节档，今天就挨了一闷棍。 这就是今天上午最真实的盘面：放量普涨，但涨的不是你手里的。 钱去哪了？去了两个方向。 第一个方向，资源周期股。石油、黄金、化工，全线大涨。导火索很清楚：特朗普关税政策引发担忧， 美伊局势一触即发。布伦特原油重回70美元上方，黄金突破5160美元。资金在干什么？避险。地缘政治 这只黑天鹅一扇翅膀，资源品就成了资金躲雨的地方。 第二个方向，算力硬件股。长飞光纤涨停创新高，天孚通信、中际旭创、新易盛集体大涨。为什么？还 是那个老逻辑——AI的"卖铲人"。SK海力士说存储芯片价格全年涨，华工科技说订单排到四季度，今 天光纤、CPO接力，说明资金在产业链里轮动，从芯片到光模块，一个一个挖。 这两个方向有个共同点：都有实锤。要么是地缘冲突带来的涨价预期，要么是产业需求带来的订单能见 度 ...

截至2026年2月24日 11:13，创业板人工智能ETF南方(159382)上涨2.66%，盘中换手5.51%，成交1.26亿 元。跟踪指数创业板人工智能指数成分股润泽科技上涨15.23%，天孚通信上涨14.94%，北京君正上涨 14.34%，长芯博创，中际旭创等个股跟涨。 创业板人工智能ETF南方(159382)紧密跟踪创业板人工智能指数，创业板人工智能指数反映创业板人工 智能主题相关上市公司的股价变化情况。指数前十大权重股分别为中际旭创、新易盛、天孚通信、蓝色 光标、润泽科技、协创数据、北京君正、昆仑万维、同花顺、深信服。 创业板人工智能ETF南方(159382)，场外联接(A类：024725；C类：024726)。 消息面上，2026年春晚成为AI大厂竞逐超级入口的关键战场，字节跳动、阿里巴巴、腾讯、百度等头 部企业深度参与冠名、红包及技术支撑，将AI能力嵌入节目制作、实时互动与生活服务场景，旨在通 过国民级窗口教育用户、培养使用习惯。 开源证券认为，展望2026年，AI"虹吸效应"显著，全球AI或继续共振。海外方面，谷歌、Meta等巨头 不断上调AI资本开支指引，谷歌Gemini等大模型Tokens ...

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