AHZ is 2 companies -why not split into 2?, page-19

I agree Russ - I like the diversification. CSL is probably a good example - see their Business Summary below -
Business Summary

CSL Limited (CSL) is a biopharmaceutical company that researches, develops, manufactures and markets products to treat and prevent human medical conditions including coagulation disorders, viral and bacterial diseases, bleeding disorders and other diseases. The operational businesses include CSL Behring and bioCSL. CSL has manufacturing operations in the United States, United Kingdom, Germany, Switzerland and Australia.
CSL Behring: CSL Behring is in the plasma protein therapeutics industry. It manufactures and markets a range of plasma-derived and recombinant therapies worldwide. CSL Behring therapies are used to treat coagulation disorders including hemophilia and von Willebrand disease, primary immune deficiencies, hereditary angioedema and inherited respiratory disease, and neurological. Its products are also used in cardiac surgery, organ transplantation, burn treatment and to prevent hemolytic diseases in the newborn.
bioCSL: bioCSL manufactures and markets biological products for human use, in-licenses and markets vaccines and prescription pharmaceuticals to treat a range of serious human medical conditions as well as manufactures and markets in vitro diagnostic products. The product areas include vaccines, antivenoms, diagnostics products and pharmaceuticals.
Research & Development: CSL invests in the development of protein-based medicines to treat human illnesses. Most of its licensed medicines are purified from human plasma. CSL is also building its capabilities required to develop products using recombinant DNA technology. Products in Commercial/ Phase IV include Hizentra US/EU, Berinert Self Admin, Immunoglobulins, Haemophilia, Specialty Products, and Influenza Vaccine.