Yeah, the same thing happened with me and GM. It was the first Individual stock I ever owned. I don't fully understand how every aspect of markets and valuations work, but I did what reading I could on GM and it just struck me as incredibly undervalued. I bought it at 23.23 today its at 36.66. I'm sure someone will jump all over me for not being able to write a dissertation on my thoughts, but I believe the majority of Alpha to be attained has, so in January I will sell it and use the profits to fully fund my Roth IRA. Sounds like you are in a similar boat, if you feel like your profits have been made, then sell it and move on :)