It has been four years since the Dow Jones industrial average first reached 10,000. Imagine that--only four years since investors convinced themselves that what went up wouldn't come down, that earnings did not really matter and that every budding technology company was a Microsoft in the making.
Can anybody say "deja vu?"
The closer the Dow gets to making a new assault on 10,000, the quicker investors seem to be unlearning all the lessons from the three-year bloodbath that preceded this year's rally. Morgan Stanley market guru Steve Galbraith grumbles that either the generations have become shorter or investor behavior deemed...