Vanguard founder John Bogle suggests that buy and hold investing is not dead. Similar to Warren Buffett, Bogle's preferred time horizon for equity investments is forever. Bogle urges caution for anyone who is thinking of investing in equity market with a time horizon of less than 10 years--which, by the way, would include almost all people who are approacing or in retirement: If you said "What kind of a time horizon should I have to be in the stock market?" If you are not in the stock market, I...