Quantitative Models and Construction Methods Model Name: 250-Day New High Distance Model - **Model Construction Idea**: The model is based on the concept that stocks nearing their 52-week high tend to outperform those further away from their highs, as supported by prior research and methodologies like CANSLIM and momentum strategies[11][18] - **Model Construction Process**: The 250-day new high distance is calculated as follows: $ 250 \text{-day new high distance} = 1 - \frac{\text{Closet}}{\text{ts\_max(Close, 250)}} $ - **Closet**: The latest closing price - **ts\_max(Close, 250)**: The maximum closing price over the past 250 trading days If the latest closing price reaches a new high, the distance is 0. If the price has fallen from the high, the distance is a positive value representing the degree of decline[11] - **Model Evaluation**: The model effectively identifies stocks and indices that are leading the market trends, serving as a useful tool for tracking momentum and market hotspots[11][18] Model Name: Stable New High Stock Selection Model - **Model Construction Idea**: This model focuses on identifying stocks with smooth price paths and consistent momentum, as smoother momentum stocks tend to outperform those with jumpy price paths[26] - **Model Construction Process**: Stocks are selected from those that have reached a 250-day new high in the past 20 trading days, based on the following criteria: 1. **Analyst Attention**: At least 5 "Buy" or "Overweight" ratings in the past 3 months 2. **Relative Strength**: Top 20% in 250-day price performance 3. **Price Stability**: - **Price Path Smoothness**: Measured by the ratio of price displacement to total price movement - **Sustained New Highs**: Average 250-day new high distance over the past 120 days 4. **Trend Continuity**: Average 250-day new high distance over the past 5 days, with the top 50 stocks selected based on rankings[26][28] - **Model Evaluation**: The model emphasizes smooth momentum and sustained trends, which are less likely to attract excessive attention, potentially leading to stronger momentum effects[26] --- Model Backtesting Results 250-Day New High Distance Model - **Indices' 250-Day New High Distances**: - Shanghai Composite: 3.14% - Shenzhen Component: 4.21% - CSI 300: 3.44% - CSI 500: 5.98% - CSI 1000: 4.00% - CSI 2000: 2.50% - ChiNext Index: 6.47% - STAR 50 Index: 13.84%[12][33] Stable New High Stock Selection Model - **Selected Stocks**: 41 stocks were identified as stable new high stocks, including Zhongji Xuchuang, Guangku Technology, and Yaxiang Jicheng[29][34] - **Sector Distribution**: - Cyclical Sector: 17 stocks, with the majority in the non-ferrous metals industry - Manufacturing Sector: 13 stocks, with the majority in the machinery industry[29][34] --- Quantitative Factors and Construction Methods Factor Name: 250-Day New High Distance - **Factor Construction Idea**: Measures the relative position of a stock's latest closing price compared to its 250-day high, capturing momentum and trend-following characteristics[11] - **Factor Construction Process**: $ 250 \text{-day new high distance} = 1 - \frac{\text{Closet}}{\text{ts\_max(Close, 250)}} $ - **Closet**: The latest closing price - **ts\_max(Close, 250)**: The maximum closing price over the past 250 trading days[11] Factor Name: Price Path Smoothness - **Factor Construction Idea**: Quantifies the smoothness of a stock's price movement, as smoother paths are associated with stronger momentum effects[26] - **Factor Construction Process**: - Calculated as the ratio of price displacement to the total price movement over a given period[26] Factor Name: Sustained New Highs - **Factor Construction Idea**: Tracks the consistency of a stock's ability to maintain new highs over time, reflecting sustained momentum[26] - **Factor Construction Process**: - Average 250-day new high distance over the past 120 days[28] Factor Name: Trend Continuity - **Factor Construction Idea**: Measures the short-term continuation of a stock's trend, emphasizing recent momentum[26] - **Factor Construction Process**: - Average 250-day new high distance over the past 5 days, with stocks ranked and selected based on this metric[28] --- Factor Backtesting Results 250-Day New High Distance Factor - **Indices' 250-Day New High Distances**: - Shanghai Composite: 3.14% - Shenzhen Component: 4.21% - CSI 300: 3.44% - CSI 500: 5.98% - CSI 1000: 4.00% - CSI 2000: 2.50% - ChiNext Index: 6.47% - STAR 50 Index: 13.84%[12][33] Price Path Smoothness Factor - **Selected Stocks**: 41 stocks were identified, with the majority belonging to the cyclical and manufacturing sectors[29][34] Sustained New Highs Factor - **Selected Stocks**: Stocks with consistent new highs over the past 120 days were prioritized, with examples including Zhongji Xuchuang and Guangku Technology[29][34] Trend Continuity Factor - **Selected Stocks**: Stocks with the highest rankings in 5-day trend continuity were included, emphasizing short-term momentum[28][29]

证券代码：300620 证券简称：光库科技 公告编号：2025-090 珠海光库科技股份有限公司 一、理财产品情况 1、上次理财产品赎回情况 关于使用部分暂时闲置募集资金进行现金管理的进展公告 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。 单位：万元 2、本次理财产品购买情况 珠海光库科技股份有限公司（以下简称"公司"）于 2025 年 8 月 15 日召开第 四届董事会第十七次会议，审议通过《关于增加使用部分暂时闲置募集资金进行现金 管理额度的议案》，公司在确保不影响募投项目建设和正常生产经营的情况下，同意 将暂时闲置募集资金进行现金管理的额度由不超过人民币 20,000 万元增加至不超过 人民币 25,000 万元，用于购买安全性高、流动性好、有保本约定、单项产品投资期 限最长不超过 12 个月的银行结构性存款等产品，进行现金管理的额度在董事会审议 通过之日起十二个月有效，在有效期内可以循环滚动使用，募集资金现金管理到期后 归还至募集资金专用账户，并授权总经理在规定额度范围内行使该项投资决策权，由 财务负责人具体办理相关事项。公司监事会、保荐机构均发表了 ...

Group 1 - The core viewpoint of the news highlights the active performance of AI hardware stocks, particularly in the context of the entrepreneurial board, with significant gains in companies like Zhishang Technology and Taicheng Light [1] - The largest and most liquid AI-themed ETF, the Entrepreneurial Board AI ETF (159363), saw a 1% increase in value, with a trading volume exceeding 250 million yuan, leading the market in AI-themed ETFs [1] - Major AI hardware stocks such as optical modules and high-speed copper connections are experiencing a surge in demand, driven by the ongoing development of AI applications [3] Group 2 - Long-term investment opportunities are anticipated in the AI infrastructure sector, particularly in components like optical modules, PCBs, and copper cables, as demand rapidly increases [3] - Significant revenue growth and profit margin expansion are expected for leading optical module suppliers by 2025, supported by ongoing investments in AI infrastructure [3] - The Entrepreneurial Board AI ETF (159363) is positioned to capture market trends effectively, with over 70% of its portfolio allocated to computing power and more than 20% to AI applications [3]

Core Viewpoint - The A-share market has seen a strong performance in the telecommunications equipment sector, with several stocks experiencing significant gains [1] Group 1: Stock Performance - Zhongfutong has risen over 11% [1] - Yongding Co., TeFa Information, and Guomai Technology have reached the 10% limit up [1] - Taicheng Light has increased by over 9% [1] - Nanjing Panda has gained over 7% [1] - Guangku Technology has risen by over 6% [1] - Wuhan Fangu has increased by over 5% [1] - Yinghua Electronics has also seen an increase of over 5% [1] - Other companies like Aled, Canqin Technology, Guodun Quantum, and Wanma Technology have risen by over 4% [1]

Group 1 - The CPO concept stocks in the A-share market experienced a collective rise, with notable increases in several companies' stock prices [1] - Srei New Materials saw a rise of over 13%, while Shijia Photon increased by over 11%, and Yongding Co. hit the daily limit with a 10% increase [1] - Other companies such as Taicheng Light, Kechuan Technology, and Juguang Technology also reported significant gains, ranging from 7% to 8% [1] Group 2 - The table lists specific stock performance, showing Srei New Materials with a market cap of 19.9 billion and a year-to-date increase of 193.72% [2] - Shijia Photon has a market cap of 41.3 billion and a remarkable year-to-date increase of 450.01% [2] - Yongding Co. has a market cap of 25 billion and a year-to-date increase of 247.88%, while Taicheng Light has a market cap of 25.3 billion with a 54.53% increase [2]

Core Viewpoint - The semiconductor industry is experiencing a wave of mergers and acquisitions (M&A) driven by the integration of capital and technology, with expansion being the central theme for 2025. However, the outcomes of these M&A activities are varied, with some companies facing challenges in profitability despite aggressive acquisition strategies [1][8]. Group 1: M&A Activity and Market Trends - The semiconductor sector is witnessing a surge in M&A announcements, with significant transactions such as the acquisition of Chengxin Micro by Hidi Micro for 310 million yuan and the acquisition of 86.12% of Aola Semiconductor by SIRUI [3][4]. - The total disclosed transaction value in China's M&A market exceeded 170 billion USD in the first half of 2025, marking a 45% increase year-on-year, with high-tech and health sectors being prominent areas for large-scale M&A [3][4]. Group 2: Strategic Motivations for M&A - Companies are pursuing M&A to rapidly acquire technology and strategically position themselves in the market, with a focus on achieving synergies between products and customer resources [4][7]. - The recovery of the consumer electronics market is providing a favorable environment for business integration post-M&A, as evidenced by Hidi Micro's projected revenue growth of 38.56% in 2024 [5][6]. Group 3: Challenges and Risks in M&A - Not all M&A transactions yield the expected results, as high technical barriers and strong business interconnections in the semiconductor industry complicate post-merger integration [8][10]. - For instance, Kangda New Materials faced significant challenges after acquiring several companies, leading to a decline in profitability and substantial goodwill impairments due to underperformance of acquired entities [9][10].

Investment Rating - The report maintains a "Recommended" rating for the communication industry, considering the sustained high prosperity of the sector driven by AI, 5.5G, and satellite communication developments [4][1]. Core Insights - The overall market performance for the week (November 24-30, 2025) saw the Shanghai Composite Index rise by 1.40%, the Shenzhen Component Index by 3.56%, and the ChiNext Index by 4.54%. The communication sector, represented by the Shenwan Communication Index, increased by 8.70% [1][9]. - Within the communication sector, the highest increase was observed in the communication network equipment and devices, which rose by 12.14%, while the lowest increase was in communication application value-added services, which rose by 3.56% [12][1]. - Notable individual stock performances included Guangku Technology with a 39.19% increase, Tongyu Communication at 39.06%, and TeFa Information at 34.07% [14][1]. Summary by Sections Weekly Market Overview - The communication industry index increased by 8.70% during the week [9]. - The communication network equipment and devices sub-sector had the highest increase at 12.14% [12]. - The majority of stocks in the communication sector experienced gains, with 89.52% of stocks rising [14]. News Highlights - Google has adjusted its 2027 TPU shipment expectations upward, indicating a positive outlook for the non-NV inference chip supply, which is expected to boost the overseas computing hardware chain [2]. - Alibaba's cloud revenue for Q2 FY2026 reached 398.24 billion yuan (approximately 55.94 billion USD), marking a 34% year-on-year growth, with AI-related product revenue achieving triple-digit growth for nine consecutive quarters [2][21]. - The establishment of the Commercial Space Administration in China is expected to enhance coordination and integration within the satellite industry, promoting high-quality development [2][20]. Key Company Announcements - Notable announcements from the communication sector include ongoing equity acquisitions and transfers by companies such as Unisplendour and Tianfu Communication [24][26].

北京德恒律师事务所 关于珠海光库科技股份有限公司 发行股份、可转换公司债券及支付现金购买资产 并募集配套资金暨关联交易事项 之相关人员买卖股票情况的 专项核查意见 北京市西城区金融街 19 号富凯大厦 B 座 12 层 电话:010-52682888 传真:010-52682999 邮编:100033 北京德恒律师事务所 关于珠海光库科技股份有限公司发行股份、可转换公司债券及支付现金购买资产 并募集配套资金暨关联交易事项之相关人员买卖股票情况的专项核查意见 北京德恒律师事务所 关于珠海光库科技股份有限公司 发行股份、可转换公司债券及支付现金购买资产 并募集配套资金暨关联交易事项 之相关人员买卖股票情况的 专项核查意见 德恒06F20250364-00006号 致：珠海光库科技股份有限公司 4. 本核查意见仅供光库科技为本次交易之目的使用，未经本所书面许可， 不得用于其他任何目的。本所律师同意将本核查意见作为本次交易的相关文件之 一，随同其他材料一起申报或予以披露。 本所律师依据《中华人民共和国证券法》《律师事务所从事证券法律业务管 理办法》和《律师事务所证券法律业务执业规则（试行）》等规定及本核查意见 出具日 ...

珠海光库科技股份有限公司（以下简称"光库科技""上市公司"）拟发 行股份和可转换公司债券及支付现金购买苏州安捷讯光电科技股份有限公司股 份，并发行股份募集配套资金（以下合称"本次交易"）。 华泰联合证券有限责任公司 关于珠海光库科技股份有限公司 华泰联合证券有限责任公司（以下简称"华泰联合证券""本独立财务顾 问"）作为本次交易的独立财务顾问，根据《中华人民共和国证券法》《上市 公司重大资产重组管理办法》《公开发行证券的公司信息披露内容与格式准则 第 26 号——上市公司重大资产重组》《上市公司监管指引第 5 号——上市公司 内幕信息知情人登记管理制度》《监管规则适用指引——上市类第 1 号》《上 市公司监管指引第 7 号——上市公司重大资产重组相关股票异常交易监管》等 有关法律法规及规范性文件的规定，对本次交易相关内幕信息知情人买卖股票 情况进行了核查，具体如下： 一、本次交易的内幕信息知情人自查期间 本次交易的内幕信息知情人买卖股票情况的自查期间为本次重组申请股票 停牌之日起前六个月至本次重组报告书披露之前一日止，即 2025 年 1 月 28 日 至 2025 年 11 月 20 日（以下简称"自查期间 ...

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。 证券代码：300620 证券简称：光库科技 公告编号：2025-089 珠海光库科技股份有限公司 关于发行股份、可转换公司债券及支付现金购买资产 并募集配套资金暨关联交易相关主体买卖股票情况自查报告的 公告 特别提示： 根据中国证券登记结算有限责任公司深圳分公司出具的《信息披露义务人持股 及股份变更查询证明》《股东股份变更明细清单》、本次交易相关内幕知情人等相 关方出具的自查报告、存在买卖情形的相关机构和人员出具的声明及承诺等文件， 在上述内幕信息知情人等相关方出具的自查报告及相关声明真实、准确、完整的前 提下，上述相关自然人和机构在自查期间买卖珠海光库科技股份有限公司（以下简 称"光库科技"、"上市公司"、"公司"）股票的行为不会对本次交易构成实质 性障碍；除上述情况外，纳入本次交易核查范围内的其他内幕知情人等相关方在自 查期间不存在于二级市场买卖光库科技股票的情况；本次重组不存在因涉嫌内幕交 易被中国证监会立案调查或者被司法机关立案侦查的情形，符合《深圳证券交易所 上市公司自律监管指引第 8 号——重大资产重 ...