“AI恐慌”出现，美股网络安全概念集体跳水

国际金融报02-22

当地时间2月20日，美股三大指数集体低开，盘中直线拉升翻红。截至发稿，道指涨0.23%，纳指涨0.93%，标普500指数涨0.54%。大型科技股涨多跌少，谷歌涨3.5%。消息面上，当地时间2月19日，谷歌发布最新基础大模型Gemini 3.1 Pro。相比去年11月发布的Gemini 3 Pro，新模型推理性能直接翻倍。纳斯达克中国金龙指数低开高走翻红，现涨0.06%。与此同时，网络安全概念股却...

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href=http://gu.qq.com/resources/shy/news/detail-v2/index.html#/?id=nesSN20260222093258a711b1fe&s=b><strong>国际金融报</strong></a>\n\n\n</h4>\n\n</header>\n<article>\n<div>\n<p>当地时间2月20日，美股三大指数集体低开，盘中直线拉升翻红。截至发稿，道指涨0.23%，纳指涨0.93%，标普500指数涨0.54%。大型科技股涨多跌少，谷歌涨3.5%。消息面上，当地时间2月19日，谷歌发布最新基础大模型Gemini 3.1 Pro。相比去年11月发布的Gemini 3 Pro，新模型推理性能直接翻倍。纳斯达克中国金龙指数低开高走翻红，现涨0.06%。与此同时，网络安全概念股却...</p>\n\n<a 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Security不仅像传统的静态分析工具那样扫描已知模式，还可以像人类安全研究员一样阅读代码，追踪数据流，理解组件如何交互，并标记基于规则的扫描器通常忽略的细微逻辑缺陷。每个发现都会经过多阶段验证流程，然后才会到达人类分析师手中，并且未经开发者批准，任何内容都不会被修补。让投资者感到不安的是：Anthropic PBC表示，其Claude Opus 4.6模型在内部测试期间已经在生产开源代码库中发现了超过500个漏洞——这些漏洞在数十年的专家审查中幸存下来。该公司在其博客文章中还表示，它也使用Claude来审查自己的代码，并“发现它在保护Anthropic系统方面极其有效”。Anthropic PBC表示，新工具目前仅作为针对企业和团队客户的有限研究预览提供，开源维护者享有优先访问权。它针对的是代码审计和漏洞检测——而不是实时终端保护、身份管理或零信任网络，后者仍然是受打击最严重的公司的核心业务。Triple D Trading的交易主管Dennis Dick表示，软件领域一直有稳定的抛售，而当天“网络安全股因为一则头条新闻遭遇了迷你闪崩”。Anthropic 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