The $0.60 resistance level could very well become great support. Closing above that today on heavy volume looks to be a very good indicator. I wouldn't be surprised to see some technical / momentum traders take this higher over the next few sessions.
Take out the million share cross trades and you still have some heavy volume as of late, which is definately fund buying. I don't see retail purchases making this recent move all on it's own.
Q1 results with the new electricity costs should bode well for the share price.