When to sell?

http://randomroger.blogspot.com/2012/02/how-and-when-to-sell.html

This is a very good blog on when to sell an equity position. There is no easy answer to this.
I have been thinking about LUK lately.  It is up to $29.46. 
On the covered call portfolio, I covered it at $25.00 so we have lost a lot of upside.