Based on my limited experience, guys who aren't so good at the American English who buy shares of pink sheet and OTC:BB stocks also aren't so knowlegeable about the pink sheet and OTC:BB stock network.
As a rule, the percentage is so close to 100 percent, one might as well say that "all of them" currently produce and have never produced revenues of any significance.
That said, anyone who buys shares is buying shares on a purely speculative basis.
Historically speaking, what is now known as the "pink sheet quotation system" has its roots in America going back to 1904.
Since then, not a few thousand companies, not a few tens of thousands of companies, but in reality, one hundreds of thousands of companies have been quoted on the "pink sheets" since 1904.
That said, all I can is, "this time, it's different."
You've gotten in on the ground floor. You're going to be stinking rich.
In the next 2 to 3 years, Cannabis Science will become a component of the Standard & Poor's 500 Index, the most important and widely followed stock index on the planet.
Tout de Swing
Monksdream