I would imagine that when the markets are heavily moved by the traders and the traders are getting larger and larger, then there will naturally be more volatility. The traders are chasing the 'hot' coin(s). So that creates the extreme movements. The point should be to know or understand when something has really changed to make the traders not want to get back in later (to continue the long term uptrend).

It is definitely tough to watch and stomach these big downs, but the good thing is that more money is continually going into crypto's overall and that keeps the uptrend going for most coins (long term).