Just going through A Random Walk Through Wall Street right now, and there's no doubt that, by the tone of that book (and specifically Robert Shiller's quote of

Just going through A Random Walk Through Wall Street right now, and there's no doubt that, by the tone of that book (and specifically Robert Shiller's quote of a "positive feedback loop), we are in a bubble. The questions really ought to be: 1 When will it burst 2 How hard will it burst (I think this'll be the main difference with the dotcom bubble) 3 Which companies will come out of it