Should Companies Provide Earnings Guidance?

There is no right or wrong answer to this question. But take a look at this interesting article:

http://www.businessweek.com/investor/content/jun2007/pi20070629_967923.htm

A company that I found that provided detailed guidance is Intuitive Surgical (ISRG).

http://library.corporate-ir.net/library/12/122/122359/items/267611/IR_Presentation_110107.pdf

If every publicly traded company issued something like this, jobs of research analysts in forecasting earnings would have been much easier!