The Best Stock Market Signal I've Found

I have to thank PIMCO's Bill Gross for helping me find this fantastic stock market signal, which I'm 100% sure nails it every single time. Yes, I said every... single... time.

It was in this month's PIMCO investment outlook that Gross declared the end -- or at least the progressing death -- of the "cult of equity." It wasn't a view that was received favorably and I even took a shot at picking it apart.

But what struck me was that the tone of Gross' view on stocks and the extremely dour prediction perfectly reflected the past 15 years of stock market returns. Over that period, the S&P 500 (INDEX: ^GSPC) has returned an average of 2.8% annually, which is pathetic.

So, I got to wondering: Could we use commentator and media views as a consistent predictor of past returns? Let's take a look.

In early 1964, The St. Petersburg Times ran an article titled "Investing -- for the long pull..." Here's how it began:

For many years now we've been trying to get more and more people to invest in good common stocks. ... [W]e've always felt that the odds on making money were all in favor of anyone who invested in the stocks of leading American companies. Now we feel more convinced than ever -- thanks to the recent report issued by the Center for Research in Security Prices at the University of Chicago.

Even a monthly decline was cause for bullishness, as covered in The Robesonian in mid-1965: "The tumble of stock market averages from their May 14 peak has brought many issues to a level that makes their yields much more attractive to long-term investors."

In late 1964, Kiplinger's wrote: "The stocks that should be invested in, of course, are stocks that can be expected to participate in the long-term rise that seems to lie ahead -- stocks that not only will keep up with the Dow-Jones Industrial Average but that will outpace it."

That excerpt was followed by a chart showing what would happen if gross national product, Dow Jones (INDEX: ^DJI) company earnings, and stock prices all continued to rise at the current rates for the next five years.

Optimism could be seen in book titles as well, as that year saw the publishing of Growth Opportunities in Common Stocks, Common Stocks as Long-Term Investments in the Nineteen-Sixties, and Techniques for Maximum Market Profits: A Guide to Pre-Selecting Growth Stocks.

Now, the big question: Did all that optimism accurately predict a bull market over the previous 15 years? You bet! As of mid-January 1965, the S&P had averaged 11.5% annual gains over the previous 15-year period.

Perhaps this was just a fluke. Let's look at another.

The tone got notably more dour this year, and it was tougher to find the media talking about stock investing for the long term. Let's head back to the St. Petersburg Times, to a May 1974 article titled "Interest Rates Makes Buying Bonds Attractive." "At these rates," the author noted, "high-grade bonds are rivaling the long-term growth record for common stocks."

Coverage from the Ellensburg Daily Record, also from May of '74, takes an even harsher tone:

"There is a danger of a near term violation of the 790 to 800 by the Dow Jones Industrial which could well lead to an acceleration of the decline building up to a final climax," says Merkin & Co. Inc. ... "many erstwhile attractive stocks disintegrate in the atomic shock waves of inflation and towering interest rates," says Paine Webber Jackson & Curtis Inc. Some stocks have taken such a beating that they will not recover fully even if the market has a peaceful summer, it continues.

I ran across a New York Magazine article castigating Bear Stearns over "special offerings" and Kiplinger's ran a column titled "Stocks: There's a Time to Sell, Too." It appeared that there were far fewer books on investing in stocks published this year, though Speculation in Gold and Silver Mining Stocks managed to make it into print.

And how did all of this pessimism translate into backward-looking, 15-year returns? Happily for my system, quite well! By midway through 1974, the 15-year trailing returns for the S&P 500 had been just 48%, or a measly 2.7% per year.

Score another point for my indicator!

1982 and 2000
I continued testing with 1982, another year that had a paucity of new books on stock investing, but saw another gold-focused book -- Gold Versus Stocks, Bonds and Money Markets in Six Countries -- published. Kiplinger's recommended utility stocks because the "economic slowdown" made "basic services" a good choice for investors. New York Magazine quoted E.F. Hutton chief economist Edward Yardeni saying:

This is not a normal cyclical recession. If it were, the market would be bounding up at this point. The fundamentals are missing that would convince you that the worst is over. I think there is a lot of wishful thinking that the economy will soon improve and that we'll see compromise in Washington on the budget.

Once again, that pessimism was reflected in the preceding market returns. For the 15 years ending in mid-1982, the S&P returned an average of 1.3% per year.

And we all know about 2000. Among the books published in that run-up (1997 to 2000) were: All About Stocks: The Easy Way to Get Started, The Neatest Little Guide to Stock Market Investing, Stock Investing for Everyone: Tools for Investing Like the Pros, 10 Minute Guide to The Stock Market, The 100 Best Stocks to Own for Under $20, The Beardstown Ladies' Pocketbook Guide to Picking Stocks, and The Bluffer's Guide to Stocks & Shares.

If you weren't investing in stocks in 2000, people thought you were some sort of alien. Or just dumb. And, of course, that optimism once again reflected past returns -- as of the end of 1999, the S&P 500 had returned a massive 15.2% per year over the previous 15 years.

The burning question
Now that I've proved without a shadow of a doubt that the present-day media commentary on stocks perfectly reflects the returns over the previous decade and a half, some of you may be thinking to yourselves, "That's almost completely useless to me, does this tell us anything about the future?" Alas, it doesn't.

You see, while pundits and market "experts" have been great about reflecting past returns in their commentary, their views haven't been as on point for future returns. Take a look at the time periods we examined.

Time Period

Nature of Commentary

Annualized Returns for Previous 15 Years

Annualized Returns for Subsequent 15 Years





















Sources: Yahoo! Finance and author's calculations. *Not a full 15-year period -- spans Dec. 31, 1999 through Aug. 23, 2012.

As you can see, it appears that when it comes to predicting the future, the views from the media and commentators didn't seem to be in line with future returns. In fact, it appears that almost the exact opposite happened.

Could that mean... no... wait... could it mean that commentators are often exactly 180-degrees wrong when it comes to trying to predict future returns?

Yes, I know, that's just plain crazy, right? Yeah, let's banish the thought, there's no way that the "experts" could possibly be that wrong.

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