Market Overview - The main funds in the Shanghai and Shenzhen markets experienced a net outflow of 16.057 billion yuan, with the Sci-Tech Innovation Board seeing a net outflow of 2.029 billion yuan [1] - A total of 237 stocks saw net inflows, while 350 stocks experienced net outflows [1] Sci-Tech Innovation Board Performance - On the Sci-Tech Innovation Board, 479 stocks rose, with 8 stocks hitting the daily limit, including Nanxin Pharmaceutical and Shenlian Biological [1] - The stocks with the highest net inflows included Xindong Link Technology with 217.20 million yuan, Hengxuan Technology with 191.18 million yuan, and Yitang Co., Ltd. with 174.30 million yuan [2] Continuous Fund Flow - There are 42 stocks with continuous net inflows for more than three trading days, with Huahai Qingke leading at six consecutive days [2] - Conversely, 176 stocks have seen continuous net outflows, with Nami Technology experiencing the longest streak at 14 consecutive days [2] Notable Stocks - The top stocks by net inflow include: - Xindong Link Technology: 217.20 million yuan, 12.80% inflow rate, 15.08% increase [2] - Hengxuan Technology: 191.18 million yuan, 8.00% inflow rate, 9.89% increase [2] - Yitang Co., Ltd.: 174.30 million yuan, 8.16% inflow rate, 18.27% increase [2] Stocks with Significant Outflows - The stock with the highest net outflow was Shijia Photon, which saw a net outflow of 254 million yuan despite a 16.38% increase in its price [1] - Other notable outflows included Electric Wind Power and Lanqi Technology, with net outflows of 246 million yuan and 245 million yuan, respectively [1]

Market Performance - On August 18, the communication equipment sector rose by 5.17%, with Dekoli leading the gains [1] - The Shanghai Composite Index closed at 3728.03, up 0.85%, while the Shenzhen Component Index closed at 11835.57, up 1.73% [1] Top Gainers - Dekoli (688205) closed at 82.92, up 20.00% with a trading volume of 121,400 shares and a transaction value of 9.67 billion [1] - Ruijie Network (301165) also saw a 20.00% increase, closing at 81.85 with a trading volume of 203,700 shares and a transaction value of 15.77 billion [1] - Other notable gainers include Guangku Technology (300620) up 18.29%, Shijia Photon (688313) up 16.38%, and ST Lutong (300555) up 13.14% [1] Market Capital Flow - The communication equipment sector experienced a net inflow of 3.363 billion from institutional investors, while retail investors saw a net outflow of 327 million [2][3] - Major stocks like ZTE Corporation (000063) had a significant net outflow of 1.603 billion from retail investors, despite a net inflow of 2.756 billion from institutional investors [3] Individual Stock Performance - ZTE Corporation (000063) closed at 38.31, up 8.80%, with a trading volume of 3,859,200 shares and a transaction value of 14.703 billion [1] - Other stocks such as Dongxin Peace (002017) and Zhongji Xuchuang (300308) also showed positive performance with respective increases of 10.00% and 9.22% [1]

Group 1 - F5G concept stocks increased by 4.61%, ranking third among concept sectors, with 31 stocks rising, including Dekoli with a 20% limit up, and New Asia Electronics and Cambridge Technology also hitting the limit up [1][2] - The leading gainers in the F5G sector included Shijia Photon, Dongtian Micro, and Jinxin Nuo, which rose by 16.38%, 14.32%, and 11.89% respectively [1] - The top decliners in the sector were TeFa Information, Tiandi Technology, and Hengtong Optic-Electric, which fell by 0.84%, 0.80%, and 0.66% respectively [1] Group 2 - The F5G sector saw a net inflow of 1.451 billion yuan, with 22 stocks receiving net inflows, and 7 stocks exceeding 100 million yuan in net inflows [2] - The stock with the highest net inflow was Zhongji Xuchuang, with a net inflow of 425 million yuan, followed by Cambridge Technology, New Asia Electronics, and Guangxun Technology with net inflows of 386 million yuan, 300 million yuan, and 142 million yuan respectively [2][3] - New Asia Electronics, Cambridge Technology, and Dekoli had the highest net inflow ratios at 26.07%, 13.46%, and 10.56% respectively [3] Group 3 - The F5G concept stocks' performance was highlighted by the significant trading volumes and turnover rates, with New Asia Electronics and Cambridge Technology showing high turnover rates of 13.92% and 18.50% respectively [3] - The overall market sentiment for the F5G sector appears positive, as indicated by the substantial net inflows and the performance of key stocks within the sector [2][3]

Group 1 - The A-share market experienced a strong upward trend on August 18, with the Shanghai Composite Index reaching a nearly 10-year high [1] - The STAR Market Composite Index ETF by Huatai-PB rose by 1.94%, indicating positive market sentiment [1] - The STAR Market Composite Index itself surged by 2.08%, with notable gains from constituent stocks such as Nanxin Pharmaceutical and Shunlian Bio, both increasing by over 20% [1] Group 2 - As of August 18, 2025, the top ten constituent stocks of the STAR Market ETF include companies like Saiwei Technology and Haiguang Information, with varying performance in terms of price changes and trading volumes [2] - The semiconductor industry in China saw a total investment of 455 billion yuan in the first half of 2025, reflecting a 9.8% year-on-year decline, while semiconductor equipment investment grew by 53.4%, highlighting a strategic focus on supply chain autonomy [3] - Major global tech companies are significantly increasing their capital expenditures for AI infrastructure, with Microsoft planning to spend $88.2 billion in the 2025 fiscal year, followed by Google and Meta with substantial increases as well [3][4]

Industry Overview - The CPO concept saw significant gains on the 18th, with companies like Dekoli and Tengjing Technology hitting a 20% limit up, while Shijia Photon and Ruijie Network rose over 19%, and Jianqiao Technology also reached a limit up. Notably, Tengjing Technology, Shijia Photon, and Zhongji Xuchuang all achieved historical highs during the trading session [1] Demand for Bandwidth - In the AI data center sector, there is a growing preference among customers for higher bandwidth network hardware. Increased bandwidth results in lower costs per bit, reduced power consumption, and smaller sizes. The rapid growth of 800G optical modules reflects the urgent demand for bandwidth driven by AI, with small-scale shipments starting at the end of 2022 and significant increases expected in 2023 and 2024. The demand for bandwidth from AI is considered limitless, and the high cost-performance ratio of networks suggests that 1.6T optical modules are likely to accelerate in application [1] Market Transition - According to CITIC Construction Investment Securities, the architecture for AI training networks is shifting from leaf-spine to fat-tree, leading to a substantial increase in the number of switches and optical modules. As communication data volumes rise, the speed requirements for optical modules are also increasing. The 800G optical modules are expected to ramp up production in 2023, with high growth anticipated from 2024 to 2026. The 1.6T optical modules are projected to begin shipments in 2025, with significant volume expected in 2026, indicating a prosperous cycle for the entire optical module industry chain characterized by simultaneous increases in both volume and price [1]

Group 1 - The core viewpoint highlights a significant rise in the stock prices of computing hardware companies, particularly in sectors like CPO and copper connections [1] - Tengjing Technology experienced a 20% limit-up in stock price, indicating strong market interest and investor confidence [1] - Other companies such as Dekeli, Ruijie Network, Yidong Electronics, and Zhongfu Circuit saw stock increases exceeding 10%, reflecting a broader positive trend in the industry [1] Group 2 - Fangzheng Technology also hit the limit-up, showcasing robust performance among technology stocks [1] - Companies like Xingwang Ruijie, Cambridge Technology, Bomin Electronics, Guangku Technology, and Shenglan Co. experienced stock price increases of over 5%, further indicating a bullish sentiment in the computing hardware sector [1]

Market Overview - On August 13, the communication equipment sector rose by 6.06% compared to the previous trading day, with Guangku Technology leading the gains [1] - The Shanghai Composite Index closed at 3683.46, up 0.48%, while the Shenzhen Component Index closed at 11551.36, up 1.76% [1] Top Gainers in Communication Equipment Sector - Guangku Technology (300620) closed at 79.30, up 20.01% with a trading volume of 281,600 shares and a transaction value of 2.204 billion [1] - Xinyi Technology (300502) closed at 236.56, up 15.45% with a trading volume of 601,100 shares and a transaction value of 13.529 billion [1] - Dingtong Technology (688668) closed at 115.36, up 13.10% with a trading volume of 111,200 shares [1] - Other notable gainers include Zhongji Xuchuang (300308) up 11.66%, Jiexun Feihong (300213) up 10.79%, and Tefa Information (000070) up 10.02% [1] Market Capital Flow - The communication equipment sector saw a net inflow of 2.48 billion from institutional investors, while retail investors experienced a net outflow of 6.38 billion [2] - The top stocks by net inflow from institutional investors include Tianfu Communication (300394) with a net inflow of 619 million, and ZTE Corporation (000063) with a net inflow of 313 million [3] Underperformers in Communication Equipment Sector - Dayhai Intelligent (002313) closed at 12.81, down 5.67% with a trading volume of 907,500 shares and a transaction value of 1.187 billion [2] - ST Gaohong (000851) closed at 1.90, down 5.00% with a trading volume of 13,900 shares [2] - Other underperformers include Cheng Tian Wei Ye (300689) down 4.73% and ST Lu Tong (300555) down 1.67% [2]

天眼查商业履历信息显示，无锡市德科立光电子技术股份有限公司，成立于2000年，位于无锡市，是一 家以从事计算机、通信和其他电子设备制造业为主的企业。企业注册资本15828.5329万人民币，实缴资 本7296万人民币。公司法定代表人为桂桑。 金融界消息 截至2025年8月13日收盘，德科立（688205）报收于77.3元，上涨6.14%，换手率6.61%，成 交量10.47万手，成交金额7.79亿元。 资金流向方面，今日主力资金净流入1.61亿元，占比成交额20.68%。其中，超大单净流入7544.72万 元、占成交额9.68%，大单净流入8575.18万元、占成交额11.0%，中单净流出流出5130.49万元、占成交 额6.58%，小单净流出10989.41万元、占成交额14.1%。 德科立最新一期业绩显示，截至2025一季报，公司营业总收入1.99亿元、同比增长5.98%，归属净利润 1453.86万元，同比减少36.82%，扣非净利润999.52万元，同比减少41.68%，流动比率5.784、速动比率 4.684、资产负债率14.65%。 通过天眼查大数据分析，无锡市德科立光电子技术股份有限公司共对外投 ...

Core Viewpoint - The future of China's optical chip industry is centered around independent innovation and the development of core competitiveness to lead the industry forward [2]. Group 1 - The Deputy General Manager of Shijia Photonics, Huang Yongguang, emphasized that independent innovation aims to lead the era and drive development [2]. - Guisang, Chairman of Dekeli, stated the importance of original technology as the core to build competitive advantages and contribute to industry growth [2]. - Min Dayong, Chairman and General Manager of Changguang Huaxin, reiterated the commitment to independent innovation to create a new era [2]. - Cheng Shuo, Deputy General Manager of Yuanjie Technology, highlighted the goal of using independent innovation to illuminate the digital world with Chinese chips [2].

Group 1 - The CPO concept stocks in the A-share market have shown strong performance, with notable increases in share prices for several companies [1] - Dekoli (688205) saw an increase of 8.37%, with a total market capitalization of 11 billion [2] - Xinyi Sheng (300502) rose by 5.83%, with a market cap of 191.7 billion and a year-to-date increase of 134.60% [2] - Hengtong Optic-Electric (600487) and Woge Optic-Electric (603773) both increased by over 4%, with market caps of 43.9 billion and 7.288 billion respectively [2] - Other companies such as Fenghuo Communication (600498), Zhongji Xuchuang (300308), and Lixun Precision (002475) also experienced gains of over 3% [1][2] Group 2 - The MACD golden cross signal has formed, indicating a positive trend for these stocks [1]