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马斯克财富缩水1.5万亿美元，SpaceX锁定期考验在即
Elon Musk stocks take $1.5 trillion hit with fresh test in SpaceX lockup ahead
It's been a rough month for Elon Musk, if there is such a thing for the world's richest man.
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力