Investing in a Bubble

Greenberg: How much of your investing brain power or bandwidth goes to thinking about these sort of things? He says he's not worried about overpaying for a company, but misjudging the competition. When stocks aren't all that cheap, if a stock is cheap versus its 10 year average earnings, then you might be okay,. But for things like home builders that are tied to a lot of this kind of activity, you could easily end up paying a price that's too high.