One can never be certain , but reading up on some yesterday's news from coindesk might be one of them http://www.coindesk.com/visa-europe-remittances-bitcoin-blockchain/
On top of that; the recent run to ~500$ still didn't dissipate, and it's possible that price didn't "found bottom" at 310-320, but rather how that was result of oversell..

“You never can tell with bee's bitcoin.”
― A.A. Milne, Winnie-the-Pooh