Headline: "Dow Plunges 500 Points on Lehman Bankruptcy, Merrill Sale, AIG Woes"
If I had to venture a guess, I'd say today was the capitulation we've been waiting for. Perennial pessimist Nouriel Roubini said he expected another 20% drop, but to me, his prediction is a good contrarian indicator.
[Note: I also called capitulation on 9/17/08. The next two days, the market went up around 10%.]