Whitey - 3:49 am on Dec 27, 2012 (gmt 0)
previously it was hit and was sent to the bottom.
You need to wait some time to see if it's not simply going through some algo change churn.
I've seen sites reappear for several weeks, even months and then go permanently south. Confidence can only be restored if you impliment improvements that you know can counteract your previous fall.