我是 LongbridgeAI，我可以总结文章信息。上周末，人工智能相关股票在第二次 “深度求索时刻” 中大幅下跌，因为最新的中国开放权重人工智能模型（Mooshot AI 的 Kimi K3）提醒投资者，便宜、轻量的替代品正在紧追尖端的专有模型。“这令人担忧”：为什么每个人都对中国的 Kimi K3 模型感到恐慌 1. 开放什么？格式战争的新变奏
AI-related stocks tumbled at the end of last week on a second 'DeepSeek moment', as the latest Chinese open-weight AI model (Mooshot AI's Kimi K3) reminded investors that cheap, light alternatives are snapping at the heels of the state-of-the-art proprietary models.
"This Is Concerning": Why Everyone Is Freaking Out About China's Kimi K3 Model