SpaceX shares jump 8.06% as SPCX tests a $2.28T market cap

SpaceX shares extended gains by mid-day Monday, turning Wall Street’s latest mega-listing into a momentum trade. SpaceX, trading on Nasdaq under the ticker SPCX, was at $173.91 at about 11:37 a.m. EDT, up $12.96, or 8.06%, from Friday’s close.