Very grim sight today on coinmarket with a sharp drop in the top cryptos with only 1 left in the green Nexus, bitcoin itself is currently down 9.59% at the time of writing.
Altogether only 158 out of 1541 listed cryptos were in the left in the green.
I imagine the rumors of Binance being hacked is a big factor but they state that a popular trading bot has been comprised which is a lot more likely than the site itself being hacked.
What this bot did was sold all users holdings and bought Viacoin moving the price from $2.80 > $6.93 within 30mins.
For more info on the binance issue : https://www.financemagnates.com/cryptocurrency/news/binance-suspends-withdrawals-trading-bot-hacked-users-accounts/
Screens: https://coinmarketcap.com