Should I have called the market bottom last month?

Maybe.  On the other hand, bear markets tend to have a lot of false bottoms.  The only sure way to tell a market bottom is in distant hindsight. Paul Krugman makes the same point about broader economic indicators.

This article available online at:

http://www.theatlantic.com/business/archive/2009/03/should-i-have-called-the-market-bottom-last-month/7124/