I don't think Crypto Trading is like Penny Stock Trading.both are different.If you apply Crypto Trading strategy on Penny Stock Trading it does not work.Crypto Trading is less volatile than Penny Stock Trading.In Penny Stock Trading which coin you are holding that coin have more possibility to disappear in a single night.
True. They are different in some ways because a penny stock trader can earn tens of thousands a day in Penny Stocks which may not be possible in cryopto. Unless you can invest and dump hundreds of BTC worth of coins, been here in btctalk for a long time and no one does that as far as I know and if someone does that, it could turn the coin dead in a single night.
And like crypto trading, volume is very important as its the the amount coin in BTC being traded. This goes the same thing with penny stocks, you buy the stock for maybe $0.01 and sell it after the pump. The great thing is that these companies already exist and operational, all you need is to choose the right one with the possibilities to grow. you don't need to wait for an announcement which could be messed up by trolls and fudsters.
For those who are not yet trading on crypto yet, its best to work on penny stocks first before going to crypto because you'll learn well here to which you can apply on crypto.