This year's biggest IPO in the U.S. stock market is coming soon! Reuters, citing two insiders, reports that Musk's SpaceX has secretly filed for an IPO, targeting a valuation of $1.75 trillion, far exceeding the previous estimate of $1.25 trillion. A total of 21 banks will jointly underwrite this offering, with retail investors potentially accounting for 30% of the shares. The potential fundraising scale is estimated to reach $75 billion. Targeting Nasdaq in June, this could be the largest IPO in U.S. stock market history.