Don't spread a panic. It's a ban of ICOs which mostly are scams. Bitcoin isn't touched there and it is legal. The price fluctuates only because of FUD and thinking that ICO is the same as crypto coins especially - Bitcoin.
Buy more Bitcoin!
Yup! mate that is my initial thought about this ICO's are the one that is ban in South Korea and not bitcoin itself, but yes it can surely cause panic selling so be very vigilant in observing the value right now it can surely be a problem for people that keep on holding to their bitcoin and thinking that bitcoin would reach another heights of value.