If you don't touch a coin that has been big pump in the short term, whether it is mainstream or altcoin, there are very few coin that can get out of several waves of main rise. His logic is that it is more difficult to continue pump after a short-term big pump. When the high position pump is sluggish, it can't be pulled in the later stage, and it will naturally fall, which is very simple, but long people still want to gamble.