Cryptocurrencies update whats going on?

Today most cryptos are seing a decline Ethereum,Litecoin and others.Bitcoin is seeing a massive bull run and now is at 16500$.Iota saw a huge correction after their massive run to 5.34$ now their around 3.65$.Also nicehash was hacked and an esteimated 65million dollars were stolen.Korea as always holds most of the trading volume.Steem had a 20% price increase and now its trading at arpund 1.50$.Today basically most coin saw a big correction.