HnB,

Sorry, don't have time today, later I will, but this may explain.

http://beginnersinvest.about.com/od/beginners...ompany.htm

http://en.m.wikipedia.org/wiki/Holding_company

This is the Reason GC made us a Holding Company in the first place.
It also insulates AMBS from any "bumps" the other companies/spin-offs may have along the way.

Cheers