OPK, I only have approximately 2.5% of my portfolio in this stock,so I am waiting to see if he keeps buying. The CEO is a billionaire,and sold IVAX for 7.6 billion,so he has a very good track record. This article is amazing. http://seekingalpha.com/article/1113511-opko-s-frost-the-ceo-who-keeps-buying-his-company-s-stock?source=nasdaq Manny