As along time traders. Top rank coins is not as profitable as the low one but just the risk is what is the difference. Cryptocurrencies market demand wisdom to really make money from it and one of the investment strategies people used is to invest in a low coins so that with little cents increasing they can sell at profits.
The short term traders do not rely on that strategy of investing in top ranked coins as they keep their eye on the news of the market and they start to invest in that coin which have a good news to rise the value and then sell at that time after getting the profit while long term investors invest in top ranked as they have a stronger value.