Confidential SEC submission sets up largest IPO in history.

Elon Musk's SpaceX is reportedly targeting a valuation of around $1.75 trillion in its forthcoming IPO.

Confidential SEC submission sets up summer listing

Confidential SEC submission sets up largest IPO in history.

Elon Musk's rocket and sattelite firm is on track to become the largest U.S. public offering in history.

Some banks "agreed to spend tens of millions on the chatbot," NYT reports.