Be Honest About Your Risk Toleranceby Amy Fontinelle
Yes, investing gurus say that people in certain age brackets should have their portfolios allocated a certain way, but if you can't sleep at night when your investments are down 15% for the year and the year isn't even over, you may need to change your asset allocation. Investments are supposed to provide you with a sense of financial security, not a sense of panic. But wait - don't sell anything while the market is down, or you'll set those paper losses in stone. When market conditions improve is the time to trade in some of your stocks for bonds, or trade in some of your risky small-cap stocks for less volatile blue-chip stocks. If you have extra cash available and want to adjust your asset allocation while the market is down, however, you may be able to profit from infusing money into temporarily low-priced stocks with long-term value. The biggest risk is that overestimating your risk tolerance will cause you to make poor investment decisions. Even if you're at an age where you're "supposed to" have 80% in stocks and 20% in bonds, you'll never see the returns that investment advisors intend if you sell when the market is down. These asset allocation suggestions are meant for people who can hang on for the ride.
Source: http://www.investopedia.com/articles/pf/08/recession-proof-your-life.asp; http://www.twopenniesearned.blogspot.com/