SpaceX has achieved a landmark moment in corporate history, concluding its first day of trading with a valuation of $2.1 trillion—making founder Elon Musk the world's first trillionaire and marking the largest initial public offering ever.

The aerospace company's public debut represents a watershed moment for the space industry, demonstrating unprecedented investor confidence in commercial spaceflight and satellite technology. While some economists caution that extreme wealth concentration raises important questions about economic inequality, the milestone underscores explosive growth in space innovation and the commercial viability of once-futuristic technologies. Read the full story →

Today's takeaway: From rocket ships to stock tickers, SpaceX's IPO signals that the space economy is no longer science fiction—it's a booming investment frontier.