SpaceX logo, the word "IPO", and a rising stock graph are seen in this illustration taken June 5, 2026. REUTERS/Dado Ruvic/Illustration Purchase Licensing Rights, opens new tab NEW YORK, June 8 (Reuters Breakingviews) - Elon Musk is trying to slice up a tidal wave. The billionaire’s rocket-maker SpaceX is targeting a $1.75 trillion valuation in its initial public offering, but might only sell $75 billion worth of shares.