Some companies have revenues before up listing to the NASDAQ, some don't.
Some companies are just internet menu services like Door Dash who produce nothing except deliver expensive fast food for a fee, like Fed ex but only quicker.
YIKES..
Other companies create a High Speed energy saving Electro-Optic Polymer that every online business is going to utilize whether they know it or not. Don't take my word for it. Check out the institutional holdings on this gem LWLG
PERKINAMINE is going to be a once in a lifetime dividend generator. The ubiquitous undercurrent to the photonics revolution.