For the past 31 years , a conventionally-diversified portfolio consisting of 60% stocks and 40% bonds has provided investors with satisfying returns of +10.80% annually. This was the result of both stocks and bonds advancing strongly throughout that period. Better yet, stocks and bonds complimented each other nicely. When stocks returned +19.35% annually from the market low in 1982 to its peak in August 2000, bonds lagged somewhat (although still returning a substantial +10.34% annually). But in the period from the 2000 market peak to the 2009 market low, while stocks declined a sharp -43.51%, bonds balanced that with a…