When It Comes to Investing in the Stock Market, Timing Is EverythingA record-high stock market exposes the suckers. Don't be one of them.

The stock market is at an all-time high! Must be a great time to invest, right?

Uh, no. You should've been throwing all your money into the stock market in the summer of 2009, just after it bottomed out, back when the first part of the investing cliché "buy low, sell high" was in play.