United Kingdom, April 2 -- Elon Musk's SpaceX is reportedly set to become one of the most valuable publicly traded companies in the world.

The firm - which is known for building rockets, space exploration tech and Starlink satellites - has been privately held but is poised to make a big move.

According to reports from the likes of Reuters and Bloomberg, SpaceX made a confidential filing with the US Securities and Exchange Commission to allow shares to be traded in the stock market.

The idea behind the confidential initial public offering filing is to allow a company to get feedback without immediately going public.

Once the company goes public, the value is expected to go behind $1 trillion (£751 billion).

After the confidential...