Nope—We're Too Gloomy: "Sure, investors were irrationally exuberant during the bubble years. And that's exactly why the shrewd market players today should be feeling confident. Look at it this way, says [Citigroup's chief U.S. equity strategist Tobias] Levkovich: 'Six years ago we could do no wrong, and everything was possible in the world. Today everything seems exceedingly challenging. We were wrong six years ago. And I think we could very well be wrong today.'" —Fortune