“Be greedy when others are fearful and fearful when others are greedy.' Easier said than done for the vast majority of stock traders. ... On every stock trade there is someone who wants to sell and someone who wants to buy, at least at a particular price. ...the person who is selling thinks that she is getting out just in time while the person buying thinks that he is about to make good money.
... The truth is that the market doesn't really reflect some magical perfect valuation of a stock under the efficient market hypothesis. It reflects the mass consensus of how actual individual investors value the stock. It is the sum total of everyone's hopes and fears...”