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Investing with the trend: Lessons learned from 50 years in the markets

by Mar 18, 2026Industry insights

Investing with the trend: Lessons learned from 50 years in the markets

by Mar 18, 2026Industry insights

Veteran strategist Greg Morris provides hard-earned wisdom from his book, “Investing with the Trend,” and shares insights based on 50 years of technical analysis and examining investor behavior.

Editor’s note: Greg Morris, a highly respected technical analyst and strategist, is the author of countless articles and several books, including “Investing with the Trend.” In 2024, he wrote his final article for StockCharts.com, summarizing key observations from his book and investing career. We thank Mr. Morris and StockCharts.com for permission to republish this edited and abbreviated version. The full article is available here.

Technical analysis used to be greeted with as much enthusiasm as Jeffrey Skilling addressing the Better Business Bureau and was often referred to as a black art. It still is often called charting, which is not unlike referring to spaceflight as flying.

Fortunately, those times have passed. The following quote from the Rev. Dr. Martin Luther King could easily be applied to a rules-based trend-following investment model, substituting model for man (and it for he).

“The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy.”

—The Rev. Dr. Martin Luther King

An overview of ‘Investing with the Trend’

Near the beginning of this book, I stated that this was not a storybook but a compilation of ideas, concepts, and research from almost 50 years in the markets, primarily as a technical analyst.

We started out by uncovering numerous “facts” that are routinely used in modern finance that simply do not meet the test of rigorous mathematics or logical scrutiny. Many things in finance are truly fiction or terribly flawed.

Next, we moved to a section that dealt with market facts, which were basically about how markets work. After we covered the fiction and flaws, some facts did appear relatively simple and were based on sound principles of logic and reason. A large section of the book introduced research on risk and, hopefully, redefined what risk is. Research that used a simple process of filtered waves and time to determine whether markets trended was presented across a wide range of data sets.

The final part of the book—after hopefully convincing you that markets are unpredictable and that there are risk-reduction techniques such as trend following that will make you a successful investor over the long term—introduced a rules-based trend-following model affectionately called “Dance with the Trend.”

Many examples of how to measure what the market was doing, with variable risk categories based on the weight of the evidence, were presented. Security ranking and selection methods were introduced, along with a sample set of rules and guidelines to follow. In the end, hopefully, you realized that a rules-based model, along with the discipline to follow it, will help remove the human subjectivity and those horrible human emotions that we all have.

The story about Abraham Wald’s work as a member of the Statistical Research Group during World War II can shed some light on money management (widely disseminated as Abraham Wald’s Memo).

Wald was tasked with damage assessments to aircraft that returned from service over Germany and determined which areas of the aircraft structure should be better protected. He found that the fuselage and fuel systems of returned planes were more likely to be damaged than the engines.

He made a totally unconventional assessment: Do not focus on the areas that sustained the most damage on these planes that returned, but focus on the essential sections that came back relatively undamaged, such as the engines. By virtue of the fact the planes returned, the heavily damaged areas did not contribute to the loss of the aircraft. Losing the engine would—the plane would not return. Hence, focus on more armor around the engines. For an airplane in battle, protect the essential parts, and it will fly again.

Investing is not unlike an airplane in battle: Protect the assets from destruction, such as large losses (drawdown), and the investor will live to invest again. Most of modern finance is focused on the nonessential parts.

As I have stated often, much of my critique of modern finance offers no solutions. When someone complains to me about something, my usual response is that they need to offer a solution to validate their complaint.

I am guilty of violating that principle in this book. Gaussian statistics are used extensively in finance because anyone who has taken mathematics, engineering, finance, or economics has learned them. Plus, they are relatively simple to understand, and while they have shortcomings, they do provide some understanding about distributions of market data, but never about the extremes.

There are statistical techniques that deal with this shortcoming, commonly referred to as power laws. A number of papers present sufficient evidence for this concept. An internet search for “power laws in finance” will provide you with a host of works. You will quickly see that Benoit Mandelbrot started something.

For those who still believe that markets do not trend, here is a simple attempt to move you away from that belief. Trends exist because of the herding characteristics of humans. For example, limit orders and stop-loss levels are usually set based on an incremental measure from a recent price. Robert Prechter provides an exceptional paper on this subject.

Related Article: Maybe not what investors want, but probably what they need

Financial advice

​It is far from the purpose of this book to get into financial advice, other than to blatantly state, “If you cannot control your emotions when making investment decisions, then seek help.”

Remember, experts cannot predict the market any better than anyone else, but they can offer a systematic approach to investing. They will assist you in switching or abandoning strategies for whatever reason and truly help with your behavior when it comes to the markets. Usually, they will also help your accountability, so that you continue to make periodic contributions to your portfolio. Outside objectivity is also a benefit, as the advisor can slow you down in your dash to follow the herd and cause you to stick to your plan.

The sad part is that most investors realize too late in life that they need help. Wanting to act rationally because you know you should and actually doing so are often far apart. Here are some simple questions to ask a potential advisor: How do you manage risk? How do you make investment decisions? Look for answers that involve a process.

Remember: It is not important to be right every time, but it is important to be right over time.

A return of your money or a return on your money

Performance tells you nothing about the risks assumed to attain that performance, risks that tend to show up later. It is better to manage risk than to just measure it.

According to William Bernstein, successful investors need:

  1. An interest in the process
  2. An understanding of the laws of probability and a working knowledge of statistics
  3. A firm grasp of financial history
  4. The emotional discipline to execute their planned strategy faithfully, come hell, high water, or the apparent end of capitalism as we know it

A compilation of rules and guidelines for investors

Over the years, I have collected lists of rules, guidelines, steps, and so on written by various individuals for various reasons. Most of them were created by folks after they had spent decades in the business and were sharing some things they not only learned over that time but also believed.

Robert Farrell’s 10 rules for investing

Robert Farrell was Merrill Lynch’s technical analyst for many years. Here are his 10 rules for investing:

  1. Markets tend to return to the mean over time. When stocks go too far in one direction, they come back. Euphoria and pessimism can cloud people’s heads. It’s easy to get caught up in the heat of the moment and lose perspective.
  2. Excesses in one direction will lead to an opposite excess in the other direction. Think of the market baseline as attached to a rubber string. Any action too far in one direction not only brings you back to the baseline but leads to an overshoot in the opposite direction.
  3. There are no new eras—excesses are never permanent. Whatever the latest hot sector is, it eventually overheats, mean reverts, and then overshoots. Look at how far the emerging markets and BRIC nations ran over the past six years (as of 2013), only to get cut in half. As the fever builds, a chorus of “this time it’s different” will be heard, even if those exact words are never used. And, of course, it—human nature—is never different.
  4. Exponential rapidly rising or falling markets usually go further than you think, but they do not correct by going sideways. Regardless of how hot a sector is, don’t expect a plateau to work off the excesses. Profits are locked in by selling, and that invariably will lead to a significant correction, which eventually comes.
  5. The public buys the most at the top and the least at the bottom. That’s why contrarian-minded investors can make good money if they follow the sentiment indicators and have good timing. Watch Investors Intelligence (measuring the mood of more than 100 investment newsletter writers) and the American Association of Individual Investors survey.
  6. Fear and greed are stronger than long-term resolve. Investors can be their own worst enemy, particularly when emotions take hold. Gains “make us exuberant; they enhance well-being and promote optimism,” says Santa Clara University finance professor Meir Statman. His studies of investor behavior show that “losses bring sadness, disgust, fear, regret. Fear increases the sense of risk, and some react by shunning stocks.”
  7. Markets are strongest when they are broad and weakest when they narrow to a handful of blue-chip names. Hence why breadth and volume are so important. Think of it as strength in numbers. Broad momentum is hard to stop, Farrell observes. Watch for when momentum channels into a small number of stocks (“Nifty 50” stocks).
  8. Bear markets have three stages: sharp down, reflexive rebound, and a drawn-out fundamental downtrend. I would suggest that, as of August 2008, we are on our third reflexive rebound—the January rate cuts, the Bear Stearns low in March, and now the Fannie/Freddie rescue lows of July. Even with the end of these sporadic rallies, we have yet to see the long, drawn-out fundamental portion of the bear market.
  9. When all the experts and forecasts agree—something else is going to happen. As Stovall, the S&P investment strategist, puts it: “If everybody’s optimistic, who is left to buy? If everybody’s pessimistic, who’s left to sell?” Going against the herd, as Farrell repeatedly suggests, can be very profitable, especially for patient buyers who raise cash from frothy markets and reinvest it when sentiment is darkest.
  10. Bull markets are more fun than bear markets, especially if you are long only or mandated to be fully invested. Those with more flexible charters might squeak out a smile or two here and there.

James Montier’s investing principles and Seven Immutable Laws of Investing

James Montier of GMO has written extensively on risk, leverage, and investor discipline. In a 2010 white paper, he challenged conventional definitions of risk and emphasized several key themes:

  • Risk isn’t a number, and it isn’t volatility; it’s the permanent impairment of capital.
  • Volatility creates the opportunity.
  • Leverage cannot turn a bad investment into a good one, but it can turn a good one bad.
  • Leverage limits staying power.
  • Financial innovation is often just leverage in a thinly veiled disguise.

In 2011, he distilled his philosophy into his Seven Immutable Laws of Investing:

  1. Always insist on a margin of safety.
  2. This time is never different.
  3. Be patient and wait for the fat pitch.
  4. Be contrarian.
  5. Risk is the permanent loss of capital, never a number.
  6. Be leery of leverage.
  7. Never invest in something you don’t understand.

My rules

  1. Turn off the TV and stop surfing the internet for advice (stop the noise).
  2. Develop a simple process—one that you can explain to anyone (mine is trend following).
  3. Create a security selection process based on momentum.
  4. Devise a simple set of prudent and reasonable rules and guidelines.
  5. Follow your process with discipline; without it, you will fail.
  6. If you do not have the discipline to do this, seek professional help from someone who does.
  7. Do not be upset with yourself if you do not have the discipline at times; be proud of yourself for recognizing it.
  8. Do not confuse luck with skill.
  9. Listen and learn from the market—it is always right.
  10. Read this list often.

Keep in mind, it is never the indicator or the model; it is the user of those tools who is probably at fault.

As my favorite Texas musicians, John Arthur Martinez and Mike Blakely, put it: “If I’ve learned a little, my Grandad told me so. It ain’t so much the fiddle; it’s the man who holds the bow.”

Final observations

I want to avoid, even though it is tempting, repeating much of what I have elaborated on in this book. Still, some of the pontifications are so important, in my opinion, that I’m going to repeat a few. The goals of this book are numerous:

  • Understand how markets work and how they have worked in the past.
  • Understand the plethora of information that exists in modern finance that is just wrong.
  • Understand how the tools of modern finance work and their shortcomings.
  • Understand that you, as a human being, have terrible natural investment tendencies.
  • Understand what risk is.
  • Understand that most markets trend, and those trends can be identified.
  • Understand that there are ways to use technical analysis to invest successfully over the long term.
  • And finally, understand that there are many techniques for investing, but until you gain full control over your emotions and have exemplary discipline, you will probably fail. Failure is how one can learn—hopefully.

Although this has been alluded to throughout this book, I’m going to put it as simply as I can. A rules-based trend follower never asks these questions: Which way is the market going to go? Are we near a top, a bottom, and so on? A trend follower doesn’t need to know and shouldn’t actually care, other than out of inherent curiosity.

We know that increasing capital by participating in up markets is favorable. There is still some joy associated with being totally defensive during down markets while most others are being clobbered. Although that may sound cruel to some, it alleviates some of the frustration of usually underperforming in volatile bull moves. It also falls nicely into a number of the behavioral traits outlined in The Hoax of Modern Finance—Part 8.

I have injected many personal opinions into this book, most of which were formed by learning about the markets over the past 50 years—and not all those periods were good; in fact, many were not good. I paid high tuition to learn some things.

Once I learned to get my gut feelings out of the process, things got steadily better. I have challenged many things in modern finance and a few things in technical analysis. Again, just opinions, as I cannot offer formal proof either way. There are two recommended reading lists in the appendix. If you are just starting out, or even if you are an old-timer, maybe you will enjoy those recommendations as well.

And now: Dance with the Trend!

(Thanks for reading to the end! Want to own a physical copy? The book can be found here. One final thought: Even in retirement, I have more than a passing interest in the financial markets. Every day, most newspapers provide a list of stocks to buy. It’s called the 52-week new highs. Buy something that has proven it can go up. Drop the foolish mentality of looking for bargain stocks!)

The opinions expressed in this article are those of the author and the sources cited and do not necessarily represent the views of Proactive Advisor Magazine. This material is presented for educational purposes only.

Gregory L. Morris is semi-retired and a consultant in the field of technical analysis and money management.  He has had a distinguished 50-year career as a technical analyst, developer of indicators and trading systems, and money manager. He has educated institutional and individual clients on why he utilizes a technical, rules-based, trend-following model.

Mr. Morris had held many positions in the investment industry, most recently as senior vice president, chief technical analyst, and chairman of the investment committee for Stadion Money Management LLC (2006-2014). He has a long history of understanding market dynamics and portfolio management and has written four books: “Candlestick Charting Explained” (and its companion workbook), “The Complete Guide to Market Breadth Indicators,” and “Investing with the Trend.”  Mr. Morris has authored numerous investment-related articles, has spoken often in front of investment groups around the world, and has frequently appeared on financial news programs.

Mr. Morris graduated from the University of Texas at Austin with a BS degree in aerospace engineering. He was a Navy fighter pilot for seven years and a captain for Delta Air Lines for over 25 years. He accumulated 21,000 hours of flying time in total, and, as he likes to say, “never put a scratch on an airplane.”

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