Its takes a few days only and altcoins are going start to goes up also so dont panic my friend thats only natural because some people want to hold bitcoin and they are all selling there altcoins to convert into bitcoin maybe thats the reasons why altcoins are bleeding.
Said everyone ever who knows nothing about crypto, right now people are thinking they would great return in BTC and this is why some Altcoin are bleeding badly. The Altcoin Market becomes very cheap, those gonna great again. You're right, Don't get panic.