Investing - Dominance of Non US Companies

[This post is written and copyrighted by FIRE Finance (http://firefinance.blogspot.com).]Editor's Note: This post was published at the Carnival of Personal Finance #94.There was a time when the corporations based in US had the lion's share of the global market. Investing in non US companies was extremely risk prone. It was better left to the professionals. It was neither advisable nor within