It's normal situation. Some idiots sell altcoins with losses, and other idiots buy it, that to get a profit in the future ) What happend next - nobody knows.
Joke) Altcoins rise up too, later. It's really usual situation.
When are the good news ??

I think the good news will come to those who hold the altcoin in January 2019. Like last year, whales will sell their entire Bitcoin property and buy altcoin. But I suspect that the price of Bitcoin and altcoin will be difficult to increase if the ETF not accepted