本期内容转载自公众号「十分之一信箱」 朋友们，周日早上好！又到了我们放送好奇心的时间。看看过去两周，「Knock Knock 世界」又收到了哪些来 自少年听众的观察和疑问。 如果你也有感兴趣的问题，点击我们的选题投递箱入口：https://sourl.cn/uwvZsy，或者直接在「Knock Knock 世界」每期节目的评论区留言，把好奇心发送给我们。 为什么有的人会对花粉过敏？ -之前也有听众投递了花粉过敏的 选题。节目组也早早就安排上了，周 五已经上线了。记得收听哦。 现在部分改作业都是「AI老师」, AI老师来了,ChatGPT会取代人 类教师吗? 豆包比我算题算得快,英语比我 好,为什么我还要学习?尤其是学 习数学,为什么不都让 AI 去做题 计算好了,未来还需要学习那么 难的数学吗? 我想知道很多小朋友和大人的运 动鞋上的那个旋钮上都有的BOA 是什么?为什么不同牌子的鞋子 都有这个? 我在江苏南京,今年很少下雨,很 多地方出现了旱灾,为什么气象 部门不能经常开展人工增雨呢? 我快八周岁了,我好害怕死,也怕 爸爸妈妈会死。长生不老药到底 有没有研制成功?是不是很贵? 我看到现在商场里都有很多宠物 ...

布局高景气科技方向，不妨关注5G通信ETF（515050），是全市场规模最大的5G通信主题ETF，深度聚 焦5G、算力产业链龙头标的，覆盖了多个AI算力、6G、消费电子、半导体、PCB、通信设备、服务 器、光模块、物联网等细分行业的龙头个股。 5月6日，A股市场情绪进一步修复，TMT等科技板块领涨，华为鸿蒙、操作系统、ChatGPT、光通信、 光模块CPO等概念表现活跃。截至13点27分，聚焦AI算力+消费电子终端硬件的5G通信ETF（515050） 涨2.72%，持仓股广和通涨超12%，沪电股份、普天科技、源杰科技等纷纷跟涨。 财通证券统计发现，一季报TMT多细分景气明显回暖。1）TMT中部分细分方向业绩已出现底部反弹迹 象，如军工电子、数字媒体等。此外IT服务、软件开发等下游景气回暖趋势明显。2）拆分量价来看， 1Q2025科技制造方向（半导体、电池、军工、机械设备）多个细分量价齐升。3）资本开支来看，TMT 关注两类行业：①需求与资本开支增速仍在持续提升的行业，如电子中的元件、通信中的通信设备；② 需求仍在改善，但开支减少的行业，盈利有望提升，如电子中的半导体，计算机中的计算机设备、IT服 务等。 （文 ...

Domestic Market Overview - The domestic market experienced fluctuations with mixed performance on April 30, with the Shanghai Composite Index closing at 3279.03 points, down 0.23%, while the Shenzhen Component Index rose 0.51% to 9899.82 points [1][4][9] - Among the 30 first-level industries, 19 saw gains, with notable increases in the computer, automotive, and media sectors, while banking, steel, and transportation sectors faced significant declines [1][4][9] - The total trading volume of the A-share market reached 1.1931 trillion yuan, showing a slight increase compared to the previous day [1][4][9] Overseas Market Overview - On May 5, all three major U.S. stock indices closed lower, with the Dow Jones down 0.24%, the S&P 500 down 0.64%, and the Nasdaq down 0.74%. Apple shares fell over 3%, leading the decline [2][4] - The Wande American Technology Seven Giants Index decreased by 1.03%, with Tesla and Amazon also experiencing declines of over 2% [2][4] News Highlights - The 28th ASEAN Plus Three Finance Ministers and Central Bank Governors Meeting was held, discussing global and regional macroeconomic conditions and financial cooperation [3][11] - The U.S. has officially terminated the tax exemption policy for small packages from China, leading to significant changes in logistics for some e-commerce platforms [16] - The Hong Kong Monetary Authority triggered the strong-side convertibility guarantee for the first time in nearly five years, buying USD and selling 46.539 billion HKD [15]

Core Viewpoint - 康冠科技 reported strong financial performance for Q1 2025, with significant year-on-year growth in revenue and net profit [1] Financial Performance - The company achieved a revenue of 3.142 billion yuan, representing a 10.82% increase compared to the same period last year [1] - Net profit attributable to shareholders was 215 million yuan, up 15.81% year-on-year [1] - The net profit after deducting non-recurring items was 178 million yuan, reflecting a 31.75% increase from the previous year [1] Business Segments - Revenue from smart interactive display products grew by 10.03%, with shipment volume increasing by 16.50% [1] - Revenue from innovative display products, including three proprietary brands, surged by 50.42%, with shipment volume rising by 63.56% [1] - Smart TV revenue increased by 5.88%, and shipment volume grew by 30.98% [1] Product Matrix and AI Integration - 康冠科技 has developed a diversified product matrix empowered by AI technology, covering key scenarios such as "AI + Office," "AI + Education," "AI + Healthcare," and "AI + Entertainment" [2] - The "AI + Office" initiative enhances user experience and productivity through smart features in interactive panels [2] - The "AI + Education" initiative aids teachers in classroom management and personalized teaching assistance [2] - The "AI + Healthcare" initiative utilizes smart diagnostics to assist doctors in quickly identifying symptoms [2] - The "AI + Entertainment" initiative offers integrated beauty experiences through AI makeup simulation and voice control [2] Brand Strategy - 康冠科技's three proprietary brands—"KTC," "Horion," and "FPD"—reflect its brand strategy in the innovative display product sector [3] - The KTC brand focuses on high-quality gaming monitors and innovative display products, aiming to enhance user experience through a multi-layered user ecosystem [3] - KTC has seen stable growth in online sales and exposure in overseas markets, while also engaging in offline activities to expand market presence [3] - The brand continues to pursue technological innovation and collaboration with global partners to provide high-quality smart hardware products and services [3]