On May 27, AST SpaceMobile rose 5.43% overnight, trading at $126.28/share, with trading volume of approximately $33.74 million. The stock extended its powerful upward trajectory driven by multiple catalysts including SpaceX's IPO filing and a major US carrier satellite direct-to-device joint venture.

SpaceX filed for an initial public offering last week, reportedly targeting to raise as much as $75 billion as early as next month. The filing intensified investor enthusiasm for the broader space sector, lifting satellite and rocket-related stocks sharply. Analysts noted that SpaceX's IPO is drawing increased investor attention toward other well-positioned space companies. A Bank of America basket of US space industry stocks has gained 61% year-to-date.

Separately, major US wireless operators announced a joint venture focused on satellite direct-to-device services, directly validating AST SpaceMobile's core business model. The company's CEO also highlighted accelerated satellite manufacturing timelines, reinforcing confidence in near-term commercialization. The space-themed Procure Space ETF (UFO) has risen approximately 72% year-to-date, significantly outperforming broader indices.

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