July 6, 2009 
 
Do you have most of your stock portfolio in US stocks? If so, you’re not alone. Investors worldwide tend to concentrate their investments at home – even when “home” is a very small place. To illustrate, the average Canadian has about 70% of his investments in stocks of Canadian companies, even though Canadian companies make up less than 3% of world market value. Does concentrating 70% of your investments in 3% of the market make sense? No, but the average American shouldn’t be too smug. Most Americans’ portfolios reflect a similar home bias