Australian investors are lining up to jump aboard one of the world's hottest initial public offerings, the launch of Elon Musk's SpaceX.
The spaceflight and artificial intelligence company will go public on the US Nasdaq exchange on Friday after raising up to $US75 billion ($A106 billion).
It will have a mammoth $US1.75 trillion ($A2.5 trillion) valuation, making it among the 10 most valuable companies in the world.
