CNA takes a look at the five biggest IPOs in history and how the companies are faring.

OpenAI has confidentially filed for an initial public offering, setting it up for what may be the most highly anticipated market debut in recent history and a massive payday for…

OpenAI has confidentially filed for an initial public offering, setting it up for what may be the most highly anticipated market debut in recent history and a massive payday for…

OpenAI did not disclose the size or terms of the offering, and said a timeline has not yet been determined. "It may be a while because there are things we want to do that are…

CNA takes a look at the five biggest IPOs in history and how the companies are faring.