FinanceOfferings without domestic listings brought Mizuho Securities, SBI big gainsSpaceX's U.S. initial public offering this June had more than $2 billion in shares sold in Japan. © ReutersMIYU FUKAWA and SHOGO FURUTAJuly 8, 2026 01:18 JSTTOKYO -- Japanese securities companies are working to capitalize on big initial public offerings by American technology companies like SpaceX, updating their systems to handle domestic sales to retail investors with an appetite for such stocks.