SpaceX says it plans to raise up to $75 billion when it goes public this month in what could be the largest stock market debut ever, and it would put Elon Musk on course to becoming the first trillionaire.

He is already the richest man in the world, but when SpaceX finally makes its hotly anticipated stock market debut, Elon Musk could become the planet's first trillionaire.…

He is already the richest man in the world, but when SpaceX finally makes its hotly anticipated stock market debut, Elon Musk could become the planet's first trillionaire.