Investors can allocate their money among three major asset
classes -- stocks, bonds, and cash -- and numerous subcategories within those
asset classes.
Asset allocation is important because it determines how
risky an overall portfolio is. If all of a portfolio's assets are concentrated
in one area, such as stocks, it is likely to be more risky than a portfolio
whose assets are spread out among diverse investment categories.
An asset allocation appropriate to an investor's goals and
time horizon provides the best chance that an investor will meet his or her
financial goals. In addition, an investor should examine his or her overall
financial resources and personal ability to tolerate risk when making asset
allocation decisions.
Diversification
Most investors are concerned about the risks associated
with financial markets; namely, that their investments will lose money or will
not grow enough over time to outpace inflation. Diversification is an important
strategy used by investors to help reduce this risk.
Because the markets for stocks, bonds, and cash do not all
move in the same direction or to the same degree, an investor's portfolio that
combines these asset classes should be less risky than one that includes only
one type of investment. A diversified portfolio historically produces better
returns than one that is concentrated in more conservative asset classes, such
as short-term bonds or cash equivalents. A diversified portfolio is also less
likely to experience stomach-churning volatility than one concentrated in the
most aggressive investments, such as small-cap or emerging-markets stocks.
Investors normally try to reduce risk by diversifying their
exposure by asset class (stock, bond, cash equivalents), as well as their
holdings within an asset class (for example, stock holdings may be diversified
among large-cap stocks and small-cap stocks).
Investment Goals and Time Horizons
People invest for a variety of reasons. Some want to buy a
new car next year; others are saving for a down payment on a house that they
plan to buy three years from now. College tuition looms on the horizon for many
families, and of course, there is retirement, which is the biggest investment
goal for most individuals.
All investment goals have a time horizon, which is the
length of time between now and when the money being invested will be spent. For
example, if you are saving to buy a new car next year, your time horizon would
be a short one. If you are saving for a down payment on a house, your time
horizon might be medium-term, say three years. If you are currently 40 years
old and saving for retirement, you have a long-term time horizon of about 25
years. Over time, of course, long-term goals such as retirement or funding your
child's college education will become medium- and short-term goals. As your
time horizon shifts, your asset allocation should shift accordingly.
For the most part, investments offering the greatest growth
potential also pose the greatest risk. An investor with a short time horizon
might want to minimize or avoid higher risk investments such as stocks or stock
funds, because the growth potential offered by these investments over time can
be offset by short-term volatility. If your time horizon is sufficiently short,
say three to five years, you may wish to concentrate on more stable investments
such as bond funds, or even money market accounts.
While bond funds offer no guaranteed rate of return, they
are generally less volatile than stocks and usually offer greater returns than
money market accounts or other cash equivalents. Those with a longer time
horizon can generally afford to invest more aggressively because short-term
volatility will usually be overcome by long-term growth. For long-term
investors, the growth potential offered by stocks tends to offset the effects
of inflation.
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