Many investors probably look at a stock chart and envision buying at the bottom and selling at the top. For example, you might imagine investing in the S&P 500 (SNPINDEX: ^GSPC) on March 9, 2009, when ...

Retail investors have loaded up on stocks, which is typical before a bull market peaks.

The S&P 500 has returned an annual average of 9%, but short-term periods can be much more volatile. Warren Buffett has called timing the market a waste of time. Timing the market consistently is ...