eec78827_ad_investment__or_vice_versa____The_Pricing_Game
[0] Underlying philosophy [The Value Game] Every asset has a fair or true value. You can estimate that value, albeit with error, and price has to converge on value (eventually). [The Pricing Game] 
The price is the only real number that you can act on. No one knows what the value of an asset is and estimating it is of little use.
Musings on Markets: Twitter IPO: Why a good trade be a bad investment (or vice versa)?
The Pricing Game