中概股涨跌不一，阿里巴巴涨超1%，市场看好其AI赋能潜力。特斯拉涨超2%，马斯克旗下xAI发布号称“世界最强AI模型”的Grok4。 （持续更新中……）21:30 美股开盘丨道指跌0.08% 达美航空涨超12%美股三大指数开盘涨跌不一，道指跌0.08%，纳指涨0.16%，标普500指数涨0.05%。中概股涨跌不一，阿里巴巴涨超1%，市场看好其AI赋能潜力。特斯拉涨超2%，马斯克旗下xAI发布号称“...
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