In this video as part of the Motley Fool's "Ask a Fool" series, Fool analyst David Meier takes a question from a Fool reader, who asks, "Is LinkedIn (LNKD.DL) still on your list of stocks to keep forever? I would like to increase my position, but I am hoping for a lower price. I would appreciate your opinion, both on holding on and how much lower you think it might go."