如何看待本周科技板块反弹？ 证券研究报告/策略定期报告 2025 年 11 月 30 日 分析师：徐驰 执业证书编号：S0740519080003 Email：xuchi@zts.com.cn 分析师：张文宇 执业证书编号：S0740520120003 Email：zhangwy01@zts.com.cn 相关报告 1、《重视科技资金动能增强的信号》 2025-11-29 2、《A H 股市场周度观察（11 月第 4 周）》2025-11-29 3、《12 月金股报告》2025-11-27 报告摘要 一、如何看待本周科技板块反弹？ 本周市场热点集中在 TMT 等科技板块，科技板块在超跌背景下迎来反弹，通信设备、 电子元件、游戏、消费电子等领涨两市。通信、电子、传媒行业周度涨幅分别达到 8.70%、6.05%、4.23%，均已收复上周跌幅，其中通信已强势接近 10 月底高点。 在申万二级行业中，通信设备、电子元件、游戏、消费电子尤其强势，周涨幅均在 5%以上。光模块 CPO、光芯片、光通信、光电路交换机 OCS、6G 等多个通信主题 指数涨幅超过 10%。光库科技、通宇通讯、特发信息等产业链个股单周涨超 30% ...

Market Overview - On November 26, the A-share market closed with a total of 76 stocks hitting the daily limit, with 68 stocks after excluding 8 ST stocks, resulting in a limit-up rate of 71.7% [1] Limit-Up Stocks - The highest limit-up stock by order volume was Shida Group (600734) with 620,800 hands, followed by Meiyan Jixiang (600868) with 545,700 hands, Luoping Zinc Electric (002114) with 483,000 hands, and Xinhua Du (002264) with 445,500 hands [2] - In terms of consecutive limit-up days, Shida Group achieved 5 consecutive limit-ups, while Xinhua Du, TeFa Information (000070), and Huanrui Century (000892) had 4 consecutive limit-ups [2] Key Stocks and Their Performance - Xinhua Du closed at 10.79 yuan with a turnover rate of 1.05%, and its limit-up order amount reached 481 million yuan, driven by its e-commerce and cross-border e-commerce concepts [4] - Shida Group closed at 6.15 yuan with a turnover rate of 2.02%, and its limit-up order amount was 382 million yuan, linked to its acquisition plans and IT services [4] - Luoping Zinc Electric closed at 9.72 yuan with a turnover rate of 2.88%, with a limit-up order amount of 469 million yuan, associated with lead-zinc production and state-owned assets [4] Sector Highlights Optical Communication - The optical communication sector saw strong performance with stocks like TeFa Information and Changguang Huaxin showing significant gains. TeFa Information is advancing its hollow fiber products, while Changguang Huaxin has achieved mass production of 100G EML [5] Pharmaceuticals - The pharmaceutical sector also had notable limit-up stocks including Peking University Pharmaceutical (000788) and Jindike, focusing on innovative drug development and clinical trials for vaccines [6][7] Semiconductor - The semiconductor sector featured stocks like Leike Defense and Broadcom Integration, with Leike Defense focusing on embedded storage business and Broadcom Integration developing AI-related IoT chips [8][9] Institutional Activity - Longguo's net buying included Changguang Huaxin with over 200 million yuan, while Dongxin Co. and Yongding Co. were among the top net buying stocks [10][11]

证券代码：000070 证券简称：特发信息 公告编号：2025-51 深圳市特发信息股份有限公司 股票交易异常波动公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完 整，没有虚假记载、误导性陈述或重大遗漏。 一、股票交易异常波动的情况介绍 深圳市特发信息股份有限公司（证券代码：000070，证券简称： 特发信息，以下简称公司）股票于 2025 年 11 月 25 日至 11 月 27 日 连续三个交易日收盘价格涨幅偏离值累计超过了 20%，根据《深圳证 券交易所交易规则》的有关规定，属于股票交易异常波动情形。 二、公司关注、核实情况说明 针对公司股票交易异常波动，公司董事会进行了核查，并就有关 事项函询控股股东，对相关方进行了核实，现将相关情况说明如下： 1.公司未发现前期披露的信息存在需要更正、补充之处； 2.公司未发现近期公共媒体报道了可能或已经对本公司股票交 易价格产生较大影响的未公开重大信息； 3.近期公司经营情况正常，内外部经营环境未发生重大变化； 4.公司、控股股东和实际控制人不存在关于本公司的应披露而未 披露的重大事项，或处于筹划阶段的重大事项； 5.在本次股票异动期间，不存在公司控股 ...

Core Viewpoint - The sudden resignation of Longcheng Securities' president, Li Xiang, raises suspicions, particularly as it coincides with the sensitive period of regulatory scrutiny related to the financial fraud case involving Te Fa Information, where Longcheng Securities served as a long-term sponsor [1][9][10]. Group 1: Resignation Details - Li Xiang submitted his resignation on July 18, 2025, citing "personal reasons," and left the company entirely after five years as president [1]. - His departure was notably abrupt, with the board approving the resignation on the same day without any transitional arrangements, which is unusual for such a senior position [8][9]. - Li Xiang's resignation comes just before the regulatory authorities are expected to determine the responsibilities of related intermediary institutions in the Te Fa Information fraud case [9][10]. Group 2: Financial Fraud Case - Te Fa Information was found to have committed financial fraud amounting to nearly 200 million yuan over five years from 2015 to 2019, during which Longcheng Securities continued to provide sponsorship [2][16]. - Longcheng Securities has been associated with Te Fa Information for over a decade, consistently issuing compliance reports despite the ongoing fraud [14][16]. - The fraud involved fabricating transactions and inflating revenues, with Longcheng Securities failing to detect these issues during the critical period [16][19]. Group 3: Li Xiang's Compensation and Responsibilities - During his tenure, Li Xiang received over 10 million yuan in compensation, raising questions about accountability given the significant risks associated with the company's core business [12][17]. - As president, Li Xiang had direct management authority over the investment banking operations, which were implicated in the fraud case [16][19]. - The potential regulatory repercussions for Longcheng Securities include administrative penalties and possible civil liabilities if investors pursue collective lawsuits [18][19].

特发信息公告称，公司股票于2025年11月25日至11月27日连续三个交易日收盘价格涨幅偏离值累计超 20%，属异常波动。经核查，公司未发现前期披露信息需更正补充，未发现公共媒体报道未公开重大信 息，经营及内外部环境正常，公司、控股股东和实控人无应披露未披露重大事项，异动期间控股股东和 实控人无买卖公司股票行为。截至11月27日，公司市盈率、市净率与同行业差异大，提醒投资者注意风 险。 ...

Core Insights - The stock of TeFa Information increased by 3.74% today, with a turnover rate of 40.74% and a trading volume of 5.118 billion yuan, showing a volatility of 17.60% [2][3] - Institutional investors net bought 34.7956 million yuan, while the Shenzhen Stock Connect saw a net purchase of 25.0658 million yuan, despite a total net selling of 48.2102 million yuan from brokerage seats [2][3] Trading Activity - The stock was listed on the Dragon and Tiger list due to its daily volatility of 17.60% and turnover rate of 40.74% [2] - The top five trading seats accounted for a total transaction of 778 million yuan, with a net buying amount of 11.6512 million yuan [2] - The largest buying seat was from CITIC Securities Zhejiang branch, with a buying amount of 84.3746 million yuan and a selling amount of 18.3094 million yuan [3] Fund Flow - The stock experienced a net outflow of 107 million yuan today, with large orders seeing a net outflow of 38.0856 million yuan and big orders a net outflow of 68.7694 million yuan [3] - Over the past five days, the stock has seen a net inflow of 433 million yuan [3]

Market Overview - The communication equipment sector experienced a decline of 0.27% on November 27, with Meilixin leading the drop [1] - The Shanghai Composite Index closed at 3875.26, up 0.29%, while the Shenzhen Component Index closed at 12875.19, down 0.25% [1] Top Performers - Tongyu Communication (002792) saw a significant increase of 10.03%, closing at 21.62 with a trading volume of 576,300 shares and a transaction value of 1.207 billion [1] - LianTe Technology (301205) rose by 9.98%, closing at 134.73 with a trading volume of 196,100 shares and a transaction value of 2.507 billion [1] - Other notable gainers include Taicheng Light (300570) up 7.51%, Guanghetong (300638) up 7.09%, and Cambridge Technology (603083) up 5.95% [1] Underperformers - Meilixin (301307) experienced a significant drop of 11.70%, closing at 35.86 with a trading volume of 257,600 shares and a transaction value of 963 million [2] - Shida Group (600734) fell by 9.92%, closing at 5.54 with a trading volume of 3,512,400 shares and a transaction value of 76.67 million [2] - Other notable decliners include Ruisi Kanda (603803) down 6.35% and Changxin Bochuang (300548) down 3.84% [2] Capital Flow - The communication equipment sector saw a net outflow of 2.31 billion from institutional investors, while retail investors contributed a net inflow of 1.647 billion [2][3] - Notable net inflows from retail investors were observed in companies like Cambridge Technology and Guanghetong, while significant outflows were noted in Meilixin and Taicheng Light [3] Individual Stock Capital Flow - ZTE Corporation (000063) had a net inflow of 787 million from institutional investors, while retail investors saw a net outflow of 337 million [3] - Taicheng Light (300570) had a net inflow of 319 million from institutional investors, with retail investors experiencing a net outflow of 174 million [3] - Cambridge Technology (603083) recorded a net inflow of 238 million from institutional investors and a net inflow of 159 million from retail investors [3]

Market Overview - A-shares exhibited a mixed performance, with technology stocks such as optical communication modules driving gains in the Shenzhen market, leading to a rise of over 2% in the ChiNext Index [1][2] - The market saw a slight decrease in trading volume, with total turnover shrinking to 1.8 trillion yuan, and 3,593 stocks closing lower [1][3] Sector Performance - The communication sector surged by 4.64%, with notable stocks like Zhongji Xuchuang (300308) rising by 13.25% to 543.22 yuan per share, and other companies such as Tefa Information (000070) and Shida Group (600734) hitting the daily limit [5][8] - Conversely, the defense and military sector led the declines with a drop of 2.25%, showing significant stock divergence [6][7] Investment Sentiment - Investor sentiment remains cautious due to significant pressure from trapped positions and slow foreign capital inflow, leading to a pronounced wait-and-see attitude [1][10] - Analysts suggest maintaining a balanced portfolio with a recommended position of around 50%, focusing on strong sectors like communication while also including defensive sectors such as banking and pharmaceuticals to hedge against risks [11][12] Key Events to Watch - Investors are advised to closely monitor three major events: developments in the China-Japan conflict, the Federal Reserve's stance on interest rates in December, and the upcoming Central Economic Work Conference [11][12] - The market is expected to maintain a strong oscillating trend in the short term, with potential for further gains in 2026 as liquidity expectations improve and key support levels are tested [12]

Market Overview - A total of 68 stocks hit the daily limit up, while 23 stocks faced limit down, resulting in a sealing rate of 75% [1] - The Shenzhen Component Index and the ChiNext Index opened lower but rebounded, with the ChiNext Index at one point rising over 3% [1] - The total trading volume in the Shanghai and Shenzhen markets was 1.78 trillion, a decrease of 28.8 billion from the previous trading day [1] - The market saw rapid rotation of hotspots, with over 3,500 stocks declining [1] - The Shanghai Composite Index fell by 0.15%, while the Shenzhen Component Index rose by 1.02%, and the ChiNext Index increased by 2.14% [1] Stock Performance Analysis - The consecutive board advancement rate increased to 58.33%, maintaining a peak of 5 boards [3] - Notable stocks included Shida Group with 5 consecutive boards, Huayi Century, TeFa Information, and Xinhua Du with 4 consecutive boards, and Guangji Pharmaceutical, Leike Defense, and Jinfu Technology with 3 consecutive boards [3][4] - The AI application sector saw strong performance, with Shida Group and Xinhua Du achieving board advancement, while previously strong stocks like Rongji Software faced a limit down [3] Sector Highlights - The pharmaceutical, retail, and CPO sectors showed significant gains, while military equipment, forestry, and gaming sectors experienced declines [1] - The anti-influenza and consumer sectors were driven by news, but overall performance remained primarily a technical correction following previous declines [3] - The demand for flu-related medications and online consultations surged, with orders for specific flu medications increasing over 100% compared to the previous month [7][13] AI and Technology Sector - Google is collaborating with Broadcom to develop TPU v7p, expected to launch in 2026, with a forecasted shipment increase of over 40% [5] - The computing hardware sector continues to gain momentum, with leading companies like Zhongji Xuchuang and Saiwei Electronics reaching historical highs [5] - The AI application sector remains reliant on major players like Alibaba, with ongoing interest in the AI application market expected to persist [6] Consumer Sector - The Ministry of Industry and Information Technology and other departments released a plan to enhance consumer goods supply and demand adaptability, stimulating the consumer sector [7][24] - Stocks in the retail sector, such as Guoguang Chain and Dongbai Group, saw significant gains following this policy announcement [7][24] Conclusion - The market is characterized by a mix of strong performances in specific sectors like AI and pharmaceuticals, while facing challenges in others like military and gaming [1][3][5] - The ongoing developments in technology and consumer policies are likely to shape market dynamics in the near term [6][7][24]

Strong Stocks - As of November 26, the Shanghai Composite Index fell by 0.15% to 3864.18 points, while the Shenzhen Component Index rose by 1.02% to 12907.83 points, and the ChiNext Index increased by 2.14% to 3044.69 points [1] - A total of 76 stocks in the A-share market hit the daily limit up, with the top three strong stocks being: TeFa Information (000070), Huanrui Century (000892), and Leike Defense (002413) [1] - The top 10 strong stocks showed significant trading activity, with TeFa Information achieving a 4-day limit up and a turnover rate of 25.84%, while Huanrui Century also had a 4-day limit up with a turnover rate of 37.38% [1] Strong Concept Sectors - The top three concept sectors based on A-share performance were: Horse Racing Concept, Duty-Free Shops, and Guangdong Free Trade Zone, with respective increases of 1.95%, 1.72%, and 1.5% [2] - The Horse Racing Concept had 50% of its constituent stocks rising, while the Duty-Free Shops sector saw 68.97% of its stocks increase [2] - The top 10 concept sectors displayed a mix of performance, with sectors like Medical E-commerce and CPO (Co-Packaged Optics) also showing positive growth [2]