Herb Greenberg is away this week.
His column will return next week.
Herb Greenberg writes daily for TheStreet.com. In keeping with TSC's editorial policy, he doesn't own or short individual stocks, though he owns stock in TheStreet.com. He also doesn't invest in hedge funds or other private investment partnerships. He welcomes your feedback at
email@example.com. Greenberg also writes a monthly column for Fortune.
Mark Martinez assisted with the reporting of this column.