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Why You Should Sell

By Brian Richards - Updated Nov 10, 2016 at 6:33PM

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There's always one time to do so. That time is now.

"I can be just as dumb as anybody else."
-- Peter Lynch, September 2008

Peter Lynch earned near-30% annual returns running Fidelity Magellan from 1977 to 1990. He's sold millions of books, raised millions for charity, and holds the rare distinction of having a Motley Fool Global HQ conference room named after him.

But in September 2008, Peter Lynch also had the ignominious honor of holding both AIG and Fannie Mae in his personal portfolio -- as they dropped 82% and 76%, respectively, during that month alone.

Ouch.

For those of us who have spent our investing careers trying to match the great Peter Lynch ... well, if you lost 80% in September, then congratulations -- you did it! If you did better than negative 80%, then you beat the great Peter Lynch.

Invest like Peter Lynch
We kid, of course, and we're in no way demeaning Lynch or his illustrious career. We're just pointing out how hard it was to avoid a flameout in 2008. Indeed, the once-revered Marty Whitman's Third Avenue Value (TAVFX) fund lost more than 45% last year, when big holdings Brookfield Asset Management (NYSE:BAM), MBIA (NYSE:MBI), and Suncor Energy (NYSE:SU) were hit hard. Hey, when the blue-chip S&P 500 has dropped some 40% over the course of a year, you know it's bad.

In other words, even if you don't own AIG or Fannie, you probably own a stock like AIG or Fannie. We sure do. Heck, we've both ridden the Vanguard Emerging Markets Stock exchange-traded fund from $25 to $55, and all the way back down to $30 again. And that's a collection of 716 stocks that includes stalwarts such as Vale (NYSE:VALE), Taiwan Semiconductor (NYSE:TSM), and Infosys Technologies (NASDAQ:INFY).

We are not alone
And while there are many stocks that will recover from this market downturn, it's likely we're all continuing to hold stocks that won't. New research, from professors Nicholas Barberis and Wei Xiong of Yale and Princeton Universities, gives a name for this tendency: We're exhibiting "realization utility."

Realization utility encourages investors to hang onto stocks that have sunk -- even when those stocks have dim futures. Here's how the professors explain it:

The authors consider an additional experimental condition in which the experimenter liquidates subjects' holdings and then tells them that they are free to reinvest the proceeds in any way they like. If subjects were holding on to their losing stocks because they thought that these stocks would rebound, we would expect them to reestablish their positions in these losing stocks. In fact, subjects do not reestablish these positions.

That's right. If we force-sold all of your stocks and gave you the cash to reinvest, would you buy the stocks we had just sold? Odds are, you wouldn't.

So why would you hold onto stocks that you don't think will recover? We'll let the good professors give it to you straight: "Subjects were refusing to sell their losers simply because it would have been painful to do so ... subjects were relieved when the experimenter intervened and did it for them."

Wait a second!
But aren't we the guys who pounded the table two years ago about how individual investors like us sell winners too early, missing out on life-changing multibagger gains to lock in a modest return? "Quick trigger fingers aren't rewarded," we wrote at the time.

And that's still true. But down markets like this one present an enormous long-term opportunity for investors ... only so long as you're willing to do some selling.

See, when stocks are expensive, we may invest in mediocre stocks because they look cheap, and pass on superior operators because they're too expensive. Today, however, those superior operators are all down by double digits, at least.

In other words, now is the time to upgrade your portfolio.

Why you should sell
You should always sell when you have a better place to put your money -- and today, a host of superior companies are on sale. The takeaway, then, is to recognize when realization utility may take root, take a sober view of your holdings, and take advantage of this down market to upgrade your portfolio. A decade from now, you'll be very glad you did.

We're both looking to take advantage of current prices in foreign markets -- which have been hammered even worse than our own S&P 500. If you're short on ideas, you can try out our Motley Fool Global Gains service free for 30 days. You don't have to subscribe to anything, and you can take a whole month to check out our entire portfolio of premium stock ideas (including a list of our five favorite stocks for new money) and download every back issue. To learn more about this offer to try Global Gains, simply click here.

This article was first published Feb. 20, 2009. It has been updated.

Brian Richards and Tim Hanson both own shares of Vanguard Emerging Markets Stock. Brookfield is a Global Gains recommendation. The Fool owns shares of Vanguard Emerging Markets. The Motley Fool has a disclosure policy.

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Stocks Mentioned

Suncor Energy Inc. Stock Quote
Suncor Energy Inc.
SU
$34.92 (-1.10%) $0.39
Taiwan Semiconductor Manufacturing Company Limited Stock Quote
Taiwan Semiconductor Manufacturing Company Limited
TSM
$80.64 (-3.60%) $-3.01
Infosys Limited Stock Quote
Infosys Limited
INFY
$18.38 (-1.26%) $0.23
Brookfield Asset Management Inc. Stock Quote
Brookfield Asset Management Inc.
BAM
$44.23 (-1.03%) $0.46
MBIA Inc. Stock Quote
MBIA Inc.
MBI
$12.45 (-1.23%) $0.15

*Average returns of all recommendations since inception. Cost basis and return based on previous market day close.

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