Wed 27 Feb 2008
In the last part of this series, I covered what stock was. Today I cover Mutual Funds. While mutual funds are actually more complex conceptually than stocks, they are also a more appropriate investment vehicle for beginner investors.
Most people have heard of mutual funds, and a good percentage understand the basic concept behind them. Mutual funds are investments that pool together money from many different investors to purchase stocks, bonds, and other assets. Conceptually a mutual fund is not so different from getting 50 of your friends together to put in some amount and handing it over to one friend to make all the investment decisions. The benefit is diversification, and simplicity. For example let’s say I had $120 to invest. I could take that $120 and buy one share of Apple Computer stock, or buy nearly one share of the Vanguard 500 Index Mutual Fund (VFINX). In the case of the former I would have all my money riding on the future of one company, and in the latter I would be diversely invested across the 500 different companies that make up the S&P 500.
Comparing the performance of AAPL and the S&P 500 over the last three months, the advantage of diversification is clear.

Chart courtesy of BigCharts.com
The benefit of diversification is not higher returns, but lower risk. Risk in the investment sense is the high probability of negative returns. Investing in single stock can bring great returns as the case with AAPL over the last 5 years, however at at given time a single stock can also decline dramatically as AAPL shares have done over the last two month. AAPL has declined by well over 30%, while the S&P 500 is only down a little over 5%. Generally speaking the greater the risk, the greater the potential gain and loss. Diversification can lead to better returns without carrying as much risk.
Mutual Funds structurally can be broken into two types:
- Close Ended Mutual Funds - These Mutual funds take in money from investors and then close to fund to outflows and inflows. They trade like stocks with a value that might be above or below the actual value of the assets the fund owns.
- Open Ended Mutual Funds - These funds are open and can take in new funds and sell assets to fund redemptions. The fact that a fund may be Open Ended does not mean the fund is open to new investors. Often times mutual funds companies will close a popular fund to new investors to prevent the fund from growing to a unwieldy size. Closing a fund in such a manner does not make the fund close-ended as current investors are allowed to both buy and redeem shares. Open ended fund are brought at sold at what the underlying assets are worth on any given day. Each day a N.A.V. (net asset value) is caculated and that’s what shares of the fund can be purchased or sold.
What a mutual fund actually invests in varies widely depending on the mission and stated purpose of the fund. Categorically however funds can be broken in two broad categories:
- Index Funds - Index Funds track different Indexes such as the S&P 500, the Wilshire 5000, the Morgan Stanley Emerging Market Index, and many more. There are generally speaking no investment decisions to be made as the purpose of the fund is to merely own the assets that compromise the index.
- Actively Managed Funds - Actively managed funds buy and sell assets on the whim of the portfolio manager(s) in charge. That said many actively managed funds have stated purpose and restrictions that are incorporate into the bylaws of the mutual fund. For example the Prudent Bear Fund, BEARX, is a bear market fund which means it tries to make money by betting the market will fall. It’s stated purpose is capital appreciation through mostly short selling equities.
Mutual Fund Expenses
So what’s the catch? Mutual funds are a great tool for investors to quickly diversify and somewhat simplify the ongoing decision making. It’s easier to pick a few funds than to engage in active trading of different stocks. For this service, mutual funds charge a little something off the top - they charge a percentage of the amount invested. Index Funds such as those run by Vanguard and Fidelity charge very little, less than .15% a year, while actively managed funds can charge easily in excess of 1% annually. In addition some open ended fund charge a sales comission (called a load) on purchase while some charge that load upon sale.
