just look how fast profits are leaving btc-e.
soon™.
They are desperate to get out, must have some inside knowledge.
The withdrawn coins will probably be distributed and slightly increase asks / seller pressure on other exchanges.
As dangerous as this may sound - another exchange possibly going down - this still sounds like one of the more reasonable explanations, actually. Crazy price action was also one of Gox's symptoms before closing for good. Hell, even back in October/November 2013 the price on Gox was almost $100 higher than on Stamp, et al.
Yeh, crazy action, other exchanges not following ... something ain't right