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Dow Theory And The Power Of Doing Nothing

Earnings season kicked off this week, with Alcoa leading off by reporting disappointing results last Tuesday.

Q3 Earnings for S&P 500 companies are expected to drop 2.1%, according to FactSet. As my colleague Jared Levy recently noted, this would mark the sixth consecutive quarter of year-over-year declines.

Sounds troubling, right? Add that to the ongoing list: The Federal Reserve's dithering on whether or not to raise rates... stagnant GDP growth... tepid jobs numbers... a slowing Chinese economy... Brexit... a looming U.S. Presidential election... it just keeps piling up.

Hopefully none of what I've said up to this point has you panicked. That's not my intention. But if all of this gloom and doom (and uncertainty) has you feeling nervous for how this will affect your portfolio, remember that there's nothing new under the sun. In fact, we can turn to history as a guide.

For starters, here's a piece of information that should come as no surprise to anyone who's been paying attention… the stock market is increasingly looking overvalued. With a price-to-earnings ratio of about 25, the S&P 500 is on the upper end of its historical valuation. Since 1900, the S&P 500 usually peaks at a valuation in the low to mid-20s.

Now, could stocks continue to rise and become even more expensive? Sure. But if history is any guide, we're likely on the tail end of the current bull market.

[More from StreetAuthority.com: How To Deal With The Fed's 'No-Win' Scenario]

For a more technical perspective on that view, I'd like to turn to my colleague Amber Hestla, Options & Income Strategist for Income Trader.

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While she believes there's still money to be made with her simple options technique, where she and her followers use put options to trade for income, she is taking a cautious approach to the overall market and being very selective with her trades.

Here's more from Amber:

"Over the weekend, I was reading through a collection of Charles Dow's original editorials from The Wall Street Journal, which sparked some ideas for this week's trade.

[More from StreetAuthority.com: A 'Hated' Stock Worth Owning Forever]