Rivian, an electric car maker touted as a competitor to Tesla and supported by the likes of Facebook and Amazon, recently hit a US$100 billion valuation on the stock market, despite the fact that the company has only ever manufactured and delivered 150 vehicles to customers so far.
https://www.notebookcheck.net/Rivian-the-electric-cybertruck-company-hits-US-100-billion-valuation-surpassing-General-Motors-despite-only-ever-having-delivered-150-vehicles.579007.0.html