BTW Ethereum isn't reacting too bad at the moment. -3.6% on Polo..
We'll see in the next few hours/days.
I think that it will drop more once the news spreads.
It will drop especially more as the talks of a roll back and fork al la The DAO continue.
I don't think the market realizes yet that a hard fork and rollback is the only way to unlock the $120 million worth of ETH.