纳斯达克中国金龙指数收跌0.04%，热门中概股里，拼多多收涨超1%，美团、百胜中国、新东方、腾讯、比亚迪、百度、阿里至多涨超0.9%，理想跌 0.3%，小马智行跌0.9%，文远知行跌3.8%。 美股三大指数集体收涨，纳指涨0.78%，标普500指数涨0.56%，道指涨0.26%。大型科技股普涨，英伟达、奈飞、亚马逊涨超1%，苹果、特斯拉、谷歌、 Meta小幅上涨。美股黄金概念股集体上涨，泛美白银涨超3%，哈莫尼黄金、金田涨超1%。 ...

来源：芝麻AI 一、市场: ●2月19日收盘：美股收高科技股领涨 市场关注联储会议纪要 北京时间 2 月 19 日凌晨，美股周三收高，道指、纳指、标普 500 指数均上涨。英伟达、亚马逊、美光 科技等科技股表现亮眼，部分"不太为人熟知"的工业技术类股也有良好表现。投资者关注美联储 1 月会 议纪要，官员们对后续货币政策方向存在分歧，部分担忧通胀走高需上调借贷成本，部分对是否及何时 降息有不同看法。市场预计美联储在 6 月会议前维持当前政策利率，6 月及 9 月或降息。此外，因美国 称对伊朗动武仍有可能，油价跳涨，软件板块当日下跌。 [1] ●2月19日美股成交额前20：谷歌进军AI音乐创作领域 周三美股成交额前 20 中，英伟达成交 301.82 亿美元居首，收高 1.63%，其与 Meta 达成多年协议，被 指对英特尔不利。特斯拉收高 0.17%，因广告问题调整措辞免被吊销加州驾照。闪迪收高 1.66%，西部 数据将出售其部分股份。美光收高 5.3%，借英伟达工具加速分子发现。苹果虽仅成交 88.84 亿美元但 推出 AI 创建播放列表功能。谷歌 A 类股收高 0.43%，引入音乐类生成式 AI 功能。此外 ...

来源：环球市场播报 2月19日热门中概股涨跌不一 富途控股涨2.40%，华住酒店集团跌1.31% 国际油价大涨，美副总统称伊朗无视美国关键要求，军事打击选项犹存 金价涨约2%，白银涨约5% 欧洲股市升至纪录新高 受强劲的财报提振 宏观 美联储会议纪要显示：联储官员对利率走向存在分歧 欲览更多环球财经资讯，请移步7×24小时实时财经新闻 市场 2月19日收盘：美股收高科技股领涨 市场关注联储会议纪要 2月19日美股成交额前20：谷歌进军AI音乐创作领域 公司 美联储会议纪要透出鹰派气味 一些官员考虑潜在加息可能性 美联储会议纪要显示分歧，1月暂停之下仍有加息言论 美国官员：美国将从叙利亚撤出所有部队 美国对数名伊朗官员实施签证限制 加大谈判施压 特朗普再次改变立场 称英国的查戈斯群岛协议是个"错误" 法国国家银行账户档案系统遭非法访问 以色列提升全国警戒级别 加紧军事准备 尹锡悦涉嫌发动内乱案明日一审宣判 尹锡悦将出席 美国计划建立绕过欧洲和其他地区内容禁令的在线门户网站 谷歌与苹果加码生成式人工智能 进军音乐创作领域 高盛CEO承认持有比特币 尽管长期对加密货币持怀疑态度 李飞飞的人工智能初创公司World ...

Core Insights - Google and Apple are integrating generative AI music features into their core consumer applications, highlighting the mainstream adoption of advanced AI tools [1][4][5] Group 1: Google's Initiatives - Google's Gemini AI assistant can generate 30-second music tracks based on user-uploaded text, photos, or videos using the latest Lyria 3 model from Google DeepMind [1][4] - The new feature will be available to users aged 18 and above and supports multiple languages, initially launching on the Gemini desktop version before rolling out to mobile applications [1][4] - Google's popular image generation model, Nano Banana, will create custom covers for music tracks, enhancing the visual appeal when users share links [1][4] Group 2: Competitive Landscape - The introduction of audio creation tools in mobile applications is expected to strengthen Google's competitive position against OpenAI's ChatGPT [5] - Apple's upcoming feature, "Playlist Playground," will allow users to create playlists in Apple Music using AI, transforming text prompts into playlists with cover images, descriptions, and 25 songs [2][5] - This new functionality is part of the iOS 26.4 beta released on Monday and is set for a broader rollout in spring, positioning Apple Music to compete with similar offerings from Spotify Technology SA [2][5]

Group 1 - Berkshire Hathaway reduced its holdings in Apple stock during the fourth quarter [1][2] - The company also decreased its stakes in Amazon and Bank of America [1][2] - In Warren Buffett's final quarter as CEO, Berkshire established a new position in The New York Times valued at approximately $352 million [1][2]

2月18日晚间，美股集体高开高走。国际黄金、白银、原油期货直线大涨。 热门中概股上涨居多，纳斯达克中国金龙指数小幅上涨。霸王茶姬涨超3%，百度集团、阿里巴巴、蔚 来涨超1%；金山云跌超1%。 国际油价大幅拉升，布伦特原油期货涨超2.5%。消息面上，当地时间2月18日，斯洛伐克政府因乌克兰 中断俄罗斯石油过境运输，宣布自19日起进入国家石油紧急状态。 国际贵金属集体拉升，截至发稿，现货黄金再度站上5000美元/盎司，涨超2.5%，现货白银涨幅扩大至 6%，现货铂金涨超3%，现货钯金涨5.5%。纽约期银涨超5%，期金涨超2%。 三大股指拉升扩大涨幅，截至发稿，道指涨0.64%，纳指涨超1%，标普500指数涨0.8%。 个股方面，英伟达涨超1%，消息面上，Meta加码英伟达，未来数年部署数百万颗芯片，首次采用Grace CPU。苹果小幅下跌，媒体报道称，知情人士称苹果正发力可穿戴领域，未来智能眼镜、AI吊坠将陆续 登场。 分析称，交易员们还在关注即将公布的美联储1月会议纪要。不过，本周的下一个重大催化剂可能是周 五公布的个人消费支出价格指数读数。 对于美联储未来降息，美国白宫国家经济委员会主任哈塞特表示，美联储还有 ...

Market Performance - On February 18, US stock indices opened higher, with the Dow Jones up by 0.5%, Nasdaq up by 0.5%, and S&P 500 up by 0.41% [1] - Major tech stocks showed mixed performance, with Nvidia increasing by 2% [1][2] Company Developments - Meta announced the deployment of Nvidia's new standalone CPU and next-generation Vera Rubin system in its AI data centers, marking the first large-scale independent deployment of the Grace CPU [3] - Nvidia's Grace CPU is now being used independently in Meta's data centers, differing from previous integrations with GPUs [3] International Indices - European stock indices saw overall gains, with the UK FTSE index rising by 1.07% and reaching a historical high, while the French CAC index increased by 0.29% and the German DAX index rose by 0.84% [4] Commodity Prices - International crude oil futures experienced significant increases, with WTI crude oil up by 3.02% at $64.14 per barrel and Brent crude oil up by 3.04% at $69.47 per barrel [6] - Precious metals also saw price increases, with spot silver rising by 5.4% and spot gold increasing by 2.39% [6] Geopolitical Events - The Slovak government declared a national oil emergency starting February 19 due to the interruption of Russian oil transit through Ukraine [8] - The Russian Defense Ministry reported joint naval exercises with the Iranian Navy in the Oman Gulf, aimed at ensuring the safety of civilian shipping [8]

新京报贝壳财经讯2月18日，腾讯宣布，元宝日活跃用户（DAU）超5000万，月活跃用户（MAU）已达 1.14亿。 （文章来源：新京报） ...

此前一天，腾讯发布的元宝分10亿现金红包活动报告显示，元宝春节主会场累计抽奖次数超36亿次，用户通过"创 作"栏完成AI任务超10亿次。 新京报贝壳财经讯（记者罗亦丹）2月18日，腾讯正式宣布，元宝日活跃用户（DAU）超5000万，月活跃用户 （MAU）已达1.14亿。 元宝持续迭代更新，21天内已迭代更新159项功能，今天元宝还公布了更多更新计划。正月初五，用户在元宝派内 聊天，元宝会随机掉落红包。同时，在切换不同元宝派时，一起听不会掉线。正月十五元宵节，用户还可以在派 里一起看湖南卫视元宵晚会直播。 （文章来源：新京报） ...

Core Viewpoint - The article discusses the unprecedented acceleration of AI adoption in China, particularly during the Spring Festival of 2026, marking a significant shift in user engagement and interaction with AI technologies [5][6][60]. Group 1: Population Dividend 2.0 - The past two decades of China's internet growth were characterized by the increase in the number of internet users, reaching 1 billion by 2020, which is referred to as the population dividend 1.0 era [9][10]. - The emergence of AI represents a new opportunity for major tech companies, termed population dividend 2.0, as it allows for deeper user engagement beyond mere internet access [11]. - AI's adoption requires overcoming psychological barriers, as users must learn to interact with machines, which is more complex than simply accessing the internet [14][15]. Group 2: The Role of Red Envelopes - The Spring Festival red envelope campaigns by major companies like Alibaba, Tencent, and ByteDance forced millions to engage with AI for the first time, significantly broadening the user base [20][24]. - This initial interaction is crucial as it helps to eliminate fears associated with new technology, paving the way for habitual use of AI [22][27]. - The red envelope strategy mirrors the success of WeChat's red envelopes in 2014, which catalyzed the adoption of mobile payments in China [24][26]. Group 3: User Demographics Shift - Before the Spring Festival, AI users were primarily young, urban, and tech-savvy individuals, but post-festival, the user demographic expanded to include older adults and residents from lower-tier cities [32][33]. - The rapid user base expansion is unprecedented, with significant engagement from demographics previously unfamiliar with AI technologies [36]. Group 4: Transition to Competition - The Spring Festival marks a transition from incremental competition to a focus on retaining users, as the market for AI has opened up and users have begun to experience the technology [38][40]. - Post-festival, the emphasis shifts to user retention metrics, such as daily active users (DAU) and retention rates, rather than just acquiring new users [41][42]. - The competition will increasingly focus on product differentiation, as users will begin to compare the effectiveness and usability of different AI platforms [42][44]. Group 5: Future Directions - The competition in the AI space will evolve to focus on user experience, integration into daily life, and the development of killer applications that meet diverse user needs [53][55]. - Companies must establish deep integrations of AI within their ecosystems to create barriers to switching, as users will become accustomed to specific platforms [56][57]. - The article concludes that the Spring Festival of 2026 will be remembered as a pivotal moment in AI adoption, fundamentally changing how users interact with technology [60][66].