A market leader is a stock that rises more than the market while the market advances and is among the first to recover after a correction. Leaders are few: in any bull market a small fraction of stocks produces a large share of the gains. Historical reviews of the biggest winning stocks, most prominently those published by William O'Neil from the 1950s onward, found that before their largest moves these stocks tended to share a handful of traits. This course turns those traits into a practical, rule-based process, written in our own terms and mapped to the tools in Clear Tape.
No single trait identifies a leader. The value comes from the combination: a business whose results are improving quickly, large investors buying it, a strong industry behind it, and a price that already outperforms the market.
Growth the market can see
Stock prices follow earnings over time, and the largest advances usually come from companies whose earnings are growing fast and visibly. Growth traders look first at the latest quarters, compared with the same quarter a year earlier to remove seasonal effects. Many practitioners treat earnings-per-share growth of 20–25% or more as a minimum and prefer stocks where the rate is rising from quarter to quarter. Revenue growth matters as much: earnings that rise without sales usually come from cost cuts or accounting items, which cannot repeat for long.
Behind the numbers there is usually something new: a product, a service, a change in an industry or a new management that makes the growth possible. A clear reason for growth helps you judge whether the trend can last several more quarters. Lesson 3, reading earnings growth, shows how to check the numbers in the filings.
Demand from institutions
Mutual funds, pension funds, insurers and hedge funds account for most of the trading in established US stocks. When they decide to build a position, they cannot buy it in a day without driving the price up against themselves, so they buy over weeks or months. That buying leaves footprints on the chart:
- Up days on volume above the 50-day average, and down days on lighter volume.
- Pullbacks that stay shallow and find buyers near rising moving averages.
- A price that holds near its highs while the market wobbles.
The opposite pattern, heavy volume on down days and light volume on rebounds, suggests that large holders are selling. Quarterly holdings reports (Form 13F) show which funds own a stock, but they arrive up to 45 days after the quarter ends, so price and volume are the more timely evidence. A rising number of quality funds owning a stock is constructive; a stock that every large fund already owns has fewer buyers left. See unusual volume for how to read volume spikes.
Industry leadership
Leaders rarely move alone. Research by Tobias Moskowitz and Mark Grinblatt (1999) found that a large part of the momentum in individual stocks reflects momentum in their industries. In practice, money tends to flow into a theme, such as a new technology or a shift in demand, and lifts several companies at once. The strongest returns usually go to the one or two companies with the best growth, the best products and the best relative strength in that group. Others in the group may rise in sympathy, but they tend to lag and to fall harder when the theme cools.
So the question is twofold: is the industry among the strongest, and is this company the leader within it? Lesson 4 covers group and sector rankings; the Learn article on sector rotation explains how money moves between sectors.
Relative strength
Relative strength compares a stock's performance with the market's. Leaders show it before their biggest moves, and a long line of research supports the idea. Narasimhan Jegadeesh and Sheridan Titman (1993) found that US stocks with the highest returns over the previous three to twelve months went on to outperform those with the lowest over the following three to twelve months, by roughly 1% a month in their 1965–1989 sample. Later work by Thomas George and Chuan-Yang Hwang (2004) found that stocks trading near their 52-week highs tended to keep outperforming.
The practical consequence is uncomfortable for bargain hunters: leaders usually look expensive. They trade near their highs, often with a relative strength rating of 80 or more, while stocks that look cheap near their lows are usually lagging for a reason. Lesson 2, relative strength in practice, covers the measures in detail; the Learn article on relative strength explains the RS line and ratings.
The market decides most of the outcome
Even the best stock struggles against a falling market. O'Neil estimated that about three in four stocks move in the same direction as the general market, and in bear markets leaders of the prior advance often fall further than the index. Growth stocks fell sharply in 2000–2002, when the Nasdaq Composite lost close to 80% from peak to trough, and again in 2022. The traits above tell you which stocks to buy; the market's trend tells you whether to buy at all. Lesson 4 covers how to read it.
How to apply it
Use the traits as a checklist that a stock must pass before it can even reach your watchlist. Score each one honestly; a stock that passes four of five is a candidate to watch, not to buy.
- Growth: the latest quarter's earnings and revenue are up strongly from a year earlier, ideally faster than in the quarter before.
- Demand: over recent weeks, heavy-volume up days outnumber heavy-volume down days.
- Group: the industry ranks among the stronger groups, and the stock is one of its leaders.
- Relative strength: the RS line is near its high and the stock trades within about 15–25% of its 52-week high.
- Market: the general market is in a confirmed uptrend.
- Entry: passing the checklist is not a buy signal. Buy only at a defined buy point from a sound base (lesson 5).
- Stop: decide the exit price before buying; many growth traders cap a loss at 7–8% below the entry (lesson 6).
- Target: leaders are managed with selling rules rather than a fixed price target, because the largest gains come from the few that keep running.
- Invalidation: drop the stock when a trait fails: growth slows sharply, the RS line breaks down, heavy-volume selling appears or the group rolls over.
Common mistakes
- Buying what looks cheap. A stock far below its high with a falling RS line is a laggard, however low its price or valuation looks.
- Buying a story without numbers. A compelling narrative with no growth in revenue or earnings is a hope, not a leader.
- Mistaking a spike for leadership. A one-day jump on news, or a short squeeze, is not the steady outperformance that marks a leader.
- Ignoring the group. A strong stock in a weak industry is more likely to fade than a leader in a strong one.
- Expecting the last cycle's leaders to lead again. New bull markets are usually led by new names.
In Clear Tape
The screener applies Clear Tape's own trading system to several hundred liquid US stocks after every close. Its rules mirror this checklist: an uptrend (price above its 50-day average, the 50-day above the 200-day), an RS rating of 80 or higher, a price within 15% of the 52-week high, a base no deeper than 30%, volume of at least 1.4 times the 50-day average, at least 1 million shares a day, and the next earnings report more than 5 trading days away. Members see these rules read-only and can show near misses, the stocks that fail one rule. In trading systems, the preset Leader Trend Filter flags a stock on the day it first passes eight trend and strength checks; lesson 2 explains its rules. The screener and watchlist screening are available to Tools and Pro members.
Summary
Market leaders combine strong and preferably accelerating growth, steady buying by institutions, a strong industry and superior relative strength, and they make their biggest gains when the market is rising. Treat these traits as a filter that comes before any entry: they tell you what to watch, while buy points, stops and the market's trend decide when and whether to act.
For educational purposes only. Not investment advice.