https://theconversation.com/spacex-and-openai-ipos-are-unlikely-to-bring-skyrocketing-returns-that-amazon-and-apple-did-as-companies-go-public-later-in-life-and-early-investors-cash-out-276147

SpaceX and OpenAI IPOs are unlikely to bring skyrocketing returns that Amazon and Apple did, as companies go public later in life and early investors cash out
In the old days, companies like Apple and Amazon went public early to access cash to grow. These days, soon-to-be-public companies are already flush with cash from private finance.

