Let’s say you want to build your own stock market index fund based on the S&P 500. Easy: download a list of all the companies in the index–from 3M (MMM) to Zions Bancorp (ZION) and their market cap, and start investing. Every stock in the index will be easy to buy in whatever quantity you want.
Now, after the success of your first index fund, you decide to create an emerging market fund, concentrating on the world’s up-and-coming economies. Again, no problem. We have the internet, after all, and we can just print off a list of all the stocks in China, India, Chile, Hungary, and so on, pull out a pile of Benjamins, and go to town.
That won’t work, says Raman Subramanian, Executive Director of Index Research at MSCI. Continue reading