It seems to me that many factors have influenced the value of the crypto currency. Statements by regulators, hacking of exchanges, prohibition by banks of buying cryptocurrencies and others. All this news background fuels distrust of the crypto.
You mentioned all are news it doesnt effect market actually but whales using these news to get their profit . For each news they started to dumping . Its normal in all trading platform . I am doing trading equity , comodity trading from past 5 years now from past one year started to do crypto currency trading . I have learned a lot . I am not aggressive investor now i am holding my coins to grow slowly .