The difference of what anyone in this world is worth is how much a buyer is willing to pay versus how much a seller is willing to sell it for. I think it is funny we often hear the word's "Vale Stock," "Growth Stock," and "Valuation. Simple and easy, there are more buyers than sellers and the stock is headed one way, HIGHER. So, drawing a simple Fib Extention, we see that FB Facebook could trade up to $104, and would be "Undervalued" then? Its simple economics Supply vs Demand, so listen hear first, Facebook might hit $104 by the End of the Year.