Whole cryptocurrency's prices went down, altcoins more too. People saw the little decreasing and sell own coins step by step. Whale start this chain of selling coins and people will continue this chain and sell coins. Cryptocurrency need to good speculations chain.
These dump is because of those people who are selling their coins if they will not sell then no one will be able to dump the price of Bitcoin and other coins. Bitcoin need our support to hold that for a long time especially in this hard time then we will see a good time.