I think we are going to see more of this as big corporates are waking up. To crash the price from 125-85 was inevitably co-ordinated, and the timing just before Christmas was clever. Gone are the days when we can say "we will never see ${} again".
Unfortunately, its a reminder that a lot of people are not committed to Bitcoin as an ethical form of money, and will sell on any indication from the big fiat players.