TLDR:
The traditional idea of permanent investment is being challenged due to the need for constant supervision of securities. US Savings Bonds are a good option for fixed-value investment, but other options may be necessary for institutional investors or those with moderate income from investments. Reexamining investments periodically is important, but caution should be exercised and advice sought from trusted sources. Impartial investment advice can be sought from independent investment counsel or New York Stock Exchange firms. Trading bonds to catch market swings can be risky and detrimental to income return. Advisers can be helpful in making advantageous exchanges and recommending bargain issues.