Hi, we did build some High PR backlinks to our website (Articlesubmission, Bookmarking, Profilebacklinks, Pressreleasses) about 600 of them, made to our homepage and 3 innerpages, for our homepage target keyword. After that all keyword are dropped in SERP for 7 - 10 positions? I know that the main keyword that was used in backlinks can start dancing, but I am not sure if it's normal that all keywords dancing? This was happen 2 days ago Any Idea? Thanks for advices.