I’m confused as to where the notion came from that stocks are currently in a speculative bubble. Stocks may fall some more. But, (unlike the housing market in Southern California and elsewhere), fundamental valuations are not currently high by historic standards.
Current estimates for 2008 P/E for S&P 500 is 15.3 at current index levels. Heck, even based on Shiller’s long-term median P/E for the S&P 500 of 15.7* we are slightly below the long term median for S&P 500 valuation. Stocks are not in a valuation bubble.