Donald [John] Trump, the US magnate once shared this about his investment philosophy in an exclusive interview with an author who was compiling his autobiography. [can't remember the title of the book] He [Donald Trump] reasoned that when a stock is trading at a deep discount to its NAV [net asset value], he would ring up his investment advisor and start his buying heavily for two reasons. Though such enormous transactions are not realistic to the average investors, there is perhaps something we can learn from his points and my experience in the like [will talk about it in a while but first..]