I believe the report GC was referring to was this
Post# of 30028
http://www.researchandmarkets.com/research/3p7jrb/alzheimers
And here's a simple understanding on what a Holding Comapny is and how it can work for those who may have questions on why AMBS is a Holding Co.
http://beginnersinvest.about.com/od/beginners...ompany.htm