LAmerica Thursday, 02/06/14 12:21:17 AM Re: investor0464 post# 58008 0 Post # of 109590 Fibs measure stock... Health. They can be used to make sure a stock isn't starting to catch a virus. And they are also good for adding to a position at nice entry points. Keep in mind with profit taking also, many do that also holding a decent percentage as perma long, as long as support areas aren't broken. Fibs help with those parameters.