duper,another major reason why PE got so low in August 1982 was that 30 years treasuries were in the 15/16% rate three times as much as today, that "allows" for PE today that are three time as much as then. The other side of the coin is that rates do not have much lower to go, however, they could be kept subdued for a little longer here (through next year) another reason for a continuation of the current bull moves, once sentiment indicators and a little fear (the wall to climb) returns in the market. Right now, i see only the fear of "missing it".