There's nothing to get afraid of anything. Rather than oanicking follow the procedure of hold and sell, you'd be able earn good amount of money.
yes why you should be afraid because it will not happen if indeed the price rise is common in the world of crypto unless you bet or invest in new coins that not enough new users you may panic but if you invest or trade in old coins such as btc and eth you need not worry.
I am frightening altcoin prices and Bitcoin prices will not come back because already many people are investing in Bitcoin and altcoin especially now that I know the market is also not stable and that's what I fear if the price Altcoin and market prices will not be stable again