The frenzy over Elon Musk’s space exploration company and its history-making IPO presented Wall Street with a huge test of trading infrastructure.

SpaceX entered the final stretch Thursday before its expected trading on Wall Street as part of the biggest initial public offering in history, which could propel co-founder Elon…

Traders on Polymarket think it's likely SpaceX will join a group of just six companies boasting a market value beyond $2 trillion.