No. 2.
If a coin doesn't fall in price, there's only one thing that it can be known to. And that is for being a scam coin or ponzi. Usually scam coins doesn't have a downside in prices and they're known to keep the prices going up and that's what they're describing their projects.
You're right about the Ponzi.
But there are a number of actions that allow you to create such a coin.
The cryptocurrency market is transparent, and each project has a description of how the coins work.
If the coin is good, you buy. Bad reputation and description is a poisonous coin.