When building a diversified portfolio of equities, one of the most important considerations is the correlation coefficient of the individual components in the portfolio. It just wouldn’t make sense to build a portfolio with several different assets that always go up and down simultaneously. If all the components of the portfolio are moving in tandem, there will be few opportunities to take advantage of the arbitrage benefits of re-balancing. And, if all the components of your portfolio are walking in lockstep with each other, why bother with diversifying into multiple funds, why not just buy a Total Stock Market fund or a Total World Equity index fund and leave all these re-balancing shenanigans alone?
There are several well-known equity asset classes that portfolio managers use to try and take advantage of diversification and low correlation. You probably have a few of these assets on your mind now, or at least in your portfolio. Which one do you think has the least correlation to the U.S. Stock Market?
- Is it Emerging Markets?
- Is it REITs (Real Estate Investment Trusts)?
- Is it Consumer Staples?
- Is it International Value Stocks?
- Is it Small Cap Stocks?
- Is it Large Cap Value Stocks?
- Or, could it possible be the frequently neglected Utilities Sector?
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