|Google Penguin 3.0 Update|
As per the Google search engineers update, it's not a single shot update. It's completely rolling across the world for all search queries.
This penguin 3.0 update impacts less than 1% English search queries and also said it's just a refresh to the older version. In this update, few sites helped in improving their search ranking and few are still hurt with this. Still some sites are struggling with penguin due to unnatural links, clean up and do in depth analysis to recover from penguin. All the best folks