Group 1 - The A-share market saw a decline in CPO concept stocks, with Tian Tong Co. nearing the limit down, Cambridge Technology dropping over 5%, and several other companies experiencing declines of more than 3% [1] - Cambridge Technology recently released a performance forecast, expecting a net profit attributable to shareholders of 252 million to 278 million yuan for the fiscal year 2025, representing a year-on-year increase of 51.19% to 66.79% [1] - For the first three quarters of 2025, Cambridge Technology's net profit attributable to shareholders was 259 million yuan, indicating that the expected net profit for Q4 2025 is projected to be between -7 million to 19 million yuan, which is below analysts' consensus forecast of 139 million yuan [1] Group 2 - Tian Tong Co. experienced a decline of 9.67% with a total market value of 14.2 billion yuan and a year-to-date decline of 12.49% [2] - Cambridge Technology's stock fell by 5.32%, with a total market value of 39 billion yuan and a year-to-date decline of 17.70% [2] - New Yi Sheng's stock dropped by 4.25%, with a total market value of 383.7 billion yuan and a year-to-date decline of 10.41% [2]

Core Insights - The global AI infrastructure investment is entering a new super cycle, driven by technology upgrades and supply shortages in key components, with significant growth expected in the AI network market until 2026 or 2027 [1] Group 1: Market Growth and Projections - The shipment of 800G optical modules is projected to increase from 20 million units in 2025 to 43 million units in 2026, while 1.6T optical module shipments are expected to surge from 2.5 million units to 20 million units [1] - The penetration rate of silicon photonics (SiPh) technology in the 800G/1.6T market is anticipated to reach 50-70% [1] - The optical module market is experiencing structural growth opportunities, with Ethernet optical module market revenue expected to surge by 93% in 2024, followed by 48% and 35% growth in 2025 and 2026, respectively [12] Group 2: Supply Chain Dynamics - Supply chain bottlenecks are expected to strengthen the competitive advantage of leading companies, with advanced optical chip production capacity projected to grow over 80% by 2026, yet still lagging behind demand by 5-15% [2] - Major players like Zhongji Xuchuang and Tianfu Communication are positioned to maintain significant market shares in the 800G/1.6T optical module market, with Zhongji Xuchuang expected to hold 25-30% and 35-40% shares, respectively [12] Group 3: Technological Advancements - The evolution of technology is critical, with AI giants like NVIDIA, Google, Meta, and Amazon AWS actively upgrading their network architectures through various technological paths, including SiPh, Co-Packaged Optics (CPO), and Optical Circuit Switching (OCS) [1] - CPO technology is expected to accelerate commercialization starting in 2026, with penetration rates projected to rise from 3% in 2026 to 20% by 2030, and market size expected to grow from $1.6 billion to $13.1 billion during the same period [14] Group 4: Market Segmentation and Trends - The optical fiber and cable market is showing a bifurcated trend, with strong demand from AI data centers, where AI application optical cable demand is expected to grow by 138% in 2024 and 77% in 2025 [13] - The Ethernet switch market is experiencing robust growth, with a 35.2% year-on-year increase in revenue in Q3 2025, and a significant rise in 800G switch revenue by 91.6% [17]

前海开源沪港深乐享生活（004320）成立日期2017年5月12日，最新规模13.74亿。今年以来收益 0.66%，同类排名7842/9009；近一年收益112.77%，同类排名100/8164；成立以来收益244.05%。 1月19日，太辰光跌5.04%，截至发稿，报108.25元/股，成交12.70亿元，换手率6.03%，总市值245.86亿 元。 资料显示，深圳太辰光通信股份有限公司位于广东省深圳市坪山区坑梓街道秀新社区锦绣中路8号太辰 光通信科技园-101(1、2、3号楼)(一照多址企业)，成立日期2000年12月12日，上市日期2016年12月6 日，公司主营业务涉及光器件的研发、生产和销售。主营业务收入构成为：光器件产品98.02%，其他 1.81%，光传感产品0.17%。 从基金十大重仓股角度 数据显示，前海开源基金旗下1只基金重仓太辰光。前海开源沪港深乐享生活（004320）四季度增持 83.33万股，持有股数102.46万股，占基金净值比例为8.61%，位居第四大重仓股。根据测算，今日浮亏 损失约588.12万元。 风险提示：市场有风险，投资需谨慎。本文为AI大模型自动发布，任何在本文出现的 ...

1月16日，太辰光涨5.92%，成交额30.91亿元。两融数据显示，当日太辰光获融资买入额3.03亿元，融 资偿还3.08亿元，融资净买入-496.56万元。截至1月16日，太辰光融资融券余额合计14.23亿元。 截至9月30日，太辰光股东户数6.38万，较上期增加26.82%；人均流通股3014股，较上期减少21.15%。 2025年1月-9月，太辰光实现营业收入12.14亿元，同比增长32.58%；归母净利润2.60亿元，同比增长 78.55%。 分红方面，太辰光A股上市后累计派现8.27亿元。近三年，累计派现4.08亿元。 机构持仓方面，截止2025年9月30日，太辰光十大流通股东中，永赢科技智选混合发起A（022364）位 居第二大流通股东，持股611.55万股，为新进股东。香港中央结算有限公司位居第五大流通股东，持股 443.73万股，相比上期减少337.79万股。中欧数字经济混合发起A（018993）位居第十大流通股东，持 股178.05万股，为新进股东。财通价值动量混合A（720001）、南方中证1000ETF（512100）退出十大 流通股东之列。 责任编辑：小浪快报 融资方面，太辰光当日融资 ...

Investment Rating - The report recommends a "Buy" rating for key companies in the optical communication sector, specifically highlighting the "Four Little Dragons 3.0" [10]. Core Insights - The investment logic in optical communication is shifting from leading companies to high-resilience, high-barrier, or core-positioned quality targets as the global AI computing competition intensifies [1][19]. - The report emphasizes the importance of companies with clear technological positioning and performance delivery capabilities in the emerging "Four Little Dragons 3.0" [1][19]. Summary by Sections Historical Perspective: Growth Logic of "Four Little Dragons" - In 2019, the report recommended the first generation of "Four Little Dragons" including Taicheng Light, New Yisheng, Tianfu Communication, and Quartz Co. [2][20]. - By the end of 2024, the second generation included Taicheng Light, Dekeli, Yuanjie Technology, and Tengjing Technology, benefiting from AIDC construction and optical module iteration [2][20]. Future Outlook: Rise of "Four Little Dragons 3.0" - The report suggests focusing on the new generation of "Four Little Dragons 3.0": Dongtianwei, Kecuan Technology, Huilv Ecology, and Zhishang Technology, as silicon photonics technology penetration increases [3][21]. - Dongtianwei is positioned in the upstream core components of optical communication, with a complete product matrix and proactive capacity expansion [21]. - Kecuan Technology benefits from the continuous penetration of silicon photonics, having launched its first 400G/800G high-speed optical module production line [21]. - Zhishang Technology is expected to benefit from the implementation of CPO, producing high-density optical connection solutions [22]. - Huilv Ecology is expanding into the high-speed optical module sector through acquisitions, establishing a comprehensive product matrix from 10G to 1.6T [24]. Investment Strategy - The report recommends focusing on companies in the optical communication sector such as Zhongji Xuchuang, New Yisheng, Tianfu Communication, Taicheng Light, and Tengjing Technology, among others [8][13]. - It also highlights the importance of companies involved in copper links, computing equipment, liquid cooling, edge computing platforms, and satellite communication [8][13]. Market Performance - The communication sector has shown strong performance, with the optical communication index rising by 2.6% and the IoT sector outperforming with a 4.8% increase [16][18].

Group 1 - The CPO concept in the A-share market has seen significant gains, with multiple companies experiencing notable stock price increases [1] - Notable performers include LianTe Technology, which rose by 10.30%, and KeChuan Technology, which increased by 10.01% [2] - Other companies such as ChangDian Technology and RoboTech also saw substantial gains, with increases of 10% and 9.66% respectively [2] Group 2 - The total market capitalization of LianTe Technology is 28.2 billion, while KeChuan Technology has a market cap of 9.521 billion [2] - Year-to-date performance shows that KeChuan Technology has increased by 60.60%, indicating strong growth potential [2] - Companies like ChangDian Technology and RoboTech have year-to-date increases of 31.57% and 36.39% respectively, reflecting positive market sentiment [2]

Summary of Conference Call Notes Industry and Companies Involved - **Industry**: Communications Equipment - **Companies Covered**: - Accelink Technologies (002281.SZ) - Eoptolink Technology (300502.SZ) - EverProX Technologies (300548.SZ) - GDS Holdings (GDS.O) - Innolight (300308.SZ) - Suzhou TFC Optical Communication (300394.SZ) - T&S Communications (300570.SZ) - VNET Group (VNET.O) - ZTE (0763.HK) Key Points and Arguments EverProX Technologies (300548.SZ) - Target price raised to Rmb122 from Rmb63, reflecting a 46.5x 2026E EPS valuation, which is +1 standard deviation above the 5-year historical mean due to stronger earnings growth projected at a 152% 3-year CAGR [2][11] - 2025/26/27E earnings increased by 1%/26%/45% driven by robust overseas demand for MPO/AOC components, datacenter cables, and optical transceivers [2][11] - Rated as Neutral due to high current trading P/E of ~45x compared to T&S Communications at ~32x, indicating less upside potential [2][11] Suzhou TFC Optical Communication (300394.SZ) - Target price increased to Rmb222 from Rmb196, with 2026/27E earnings raised by 36%/56% due to anticipated growth in the 1.6T light engine market [3][15] - Maintained Buy rating, citing strong long-term earnings growth potential from CPO/OIO total addressable market opportunities and expected sales of FAU, ELSFP, and MT products [3][15] ZTE (0763.HK) - Downgraded to Neutral from Buy, with target price raised to HK$29.20 from HK$27.50 [4][19] - 2025/26/27E earnings reduced by 16%/14%/11% due to margin impacts from a ramping server business and memory price effects on the smartphone segment, partially offset by tighter operating expenses [4][19] - Valuation set at 15.0x 2026E P/E, which is 1.5 standard deviations above the stock's historical average, supported by positive sentiment towards AI server developments [4][19] Accelink Technologies (002281.SZ) - Coverage transferred with a maintained Sell rating and target price of Rmb24.60 [8][20] Eoptolink Technology (300502.SZ) - Coverage transferred with a maintained Buy rating and target price of Rmb472.00 [9][21] GDS Holdings (GDS.O) - Coverage transferred with a maintained Buy rating and target price of US$51.20 [12] Innolight (300308.SZ) - Coverage transferred with rating suspended [13] T&S Communications (300570.SZ) - Coverage transferred with a maintained Buy rating and target price of Rmb137.00 [16] VNET Group (VNET.O) - Coverage transferred with a maintained Buy rating and target price of US$20.00 [17] Other Important Information - The report indicates potential conflicts of interest due to the firm's business relationships with covered companies, advising investors to consider this report as one of several factors in their investment decisions [5] - The report is not for distribution in the People's Republic of China, excluding Hong Kong and Qualified Foreign Institutional Investors [5]

ANCHOR REPORT Global Markets Research 9 January 2026 Global AI networking supercycle driven by tech upgrade/supply shortage Accumulate market leaders InnoLight, YOFC, TFC and T&S We believe the global AI networking supercycle will continue in 2026F, and even extend into 2027F, driven by multiple technology upgrade roadmaps (i.e. Silicon Photonics [SiPh], Co-package optics [CPO], Optical Circuit Switch [OCS], Active Electronic Cable [AEC], Hollow Core Fiber [HCF]) and supply shortage (i.e. optical laser chip ...

Group 1 - The CPO concept stocks in the A-share market experienced a widespread decline, with significant drops in several companies [1] - Jingwang Electronics saw a decrease of 4%, while Ruijie Networks, Changxin Bochuang, Hengdongguang, Zhongji Xuchuang, and Xinyi Sheng all fell by over 3% [1] Group 2 - The market capitalization of Jingwang Electronics is 72.8 billion, with a year-to-date increase of 1.15% [2] - Ruijie Networks has a market capitalization of 65.3 billion, with a year-to-date decline of 7.49% [2] - Changxin Bochuang's market capitalization stands at 38.5 billion, with a year-to-date decrease of 7.11% [2] - Zhongji Xuchuang has a market capitalization of 640.1 billion, with a year-to-date decline of 5.57% [2] - Xinyi Sheng's market capitalization is 395.1 billion, with a year-to-date decrease of 7.76% [2]

Group 1 - The CPO concept experienced a volatile decline in early trading, with several companies in the sector facing significant drops in stock prices [1] - New Yi Sheng, Dong Tian Wei, Hui Lv Ecology, and Heng Dong Guang all saw declines exceeding 5% [1] - Other companies such as Zhong Ji Xu Chuang, Teng Jing Ke Ji, Yuan Jie Ke Ji, and Tai Chen Guang also followed the downward trend [1]