Youy guys forget about who's actually participating in BTC exchange. Sure, there are many people who actually do some research and listen what is happening in the world about BTC. But in the end, the most "brokers" are just noobs. They have no idea of nothing. They get scammed, they act impulsive. If price drops, they will panic sell, if they think prive will rise, they will blatantly buy.
Now is christmas - many ppl are collecting their winnings. Price drops. Panic Selling, price drops even more, even more panic selling. This year is done, wait for after xmas.
And always remember WHO is participating (and therefore shaping) the market. There is no reason to use the same logic in BTC xchange like you would do on good old xchange.