Firefly Aerospace, a Texas-based commercial space company known for its lunar landers, raised $868 million in an upsized IPO. Why it matters: The IPO window is open wide enough to fly a spaceship through it,

Firefly Aerospace shares were indicated to open nearly 53 per cent above their initial public offering price on Thursday, as investors continue to pour capital into firms aiding expansion of the U.S.

Another space stock is going public. But this isn't just any old space stock -- this one already landed on the moon.