At The Motley Fool, we've argued long and hard that you can't time the market -- at least not consistently. But that doesn't mean there aren't plenty of theories out there to the contrary.
One "investing" theory that does seem to work, at least often enough to have gained credence, is the idea that you should "sell in May and go away." But as I peruse the stock charts today, the wisdom of following that advice seems less and less apparent. As I type this article, the S&P 500 is almost 5% higher than it was back on May 1. The Dow Jones Industrial average is more than 7% higher. The Naz is up almost 9%.
Exchange-traded funds that aim to track these three indices are doing even better, thanks to dividends. Spyders
And of course, certain individual stocks have done even better. ExxonMobil
It's good times all around, but not for investors who "sold in May."
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Fool contributor Rich Smith does not own shares of any company named above. Dawson Geophysical is a Motley Fool Hidden Gems recommendation. Amazon is a Stock Advisor pick. The Motley Fool has a disclosure policy.