As I’ve come to understand it, cryptocurrency trading is linked to Bitcoin
#BTC and then
#TEH , while the other currencies orbit around them and follow their behavior—primarily the behavior of BTC.
It’s true that we sometimes suddenly see one currency, for example, rise or fall independently. In reality, this is usually a promotional push for the currency. Before long, once the trend hype is over, it rejoins the herd of currencies and returns to the general behavior based on a relationship governed by an algorithm that sets the criteria for deviations up or down relative to the overall behavior of BTC, and to a lesser extent, ETC...
That’s what I’ve concluded. This is neither a recommendation nor advice, just a personal opinion that may be right or wrong.