Some other high performers are due for a correction: SGEN, MXWL, PPO images.investorshub.advfn.com/images/uploads/2010/10/18/xkqcgSGEN.GIF images.investorshub.advfn.com/images/uploads/2010/10/18/iqluuMXWL.GIF images.investorshub.advfn.com/images/uploads/2010/10/18/urpwhPPO.GIF