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美光 MU 深度调研：从 HBM3E、HBM4、美国本土产能、NVIDIA 供应链份额和毛利率高峰，判断美光在 AI 内存周期里的弹性与脆弱点。

SpaceX SPCX 深度调研：从 Falcon 9、Starlink、Starship、xAI、D2C 通信和政府订单，拆解 IPO 后估值里的已兑现业务与未兑现卡点。