How to make money in stocks: a winning system in good times or bad by William J. O'Neil Summary

1. Master the CAN SLIM system for identifying high-growth stock opportunities
2. Target stocks with 25%+ quarterly earnings growth for breakout potential
3. Buy stocks at new highs emerging from consolidation bases
4. Focus on low-float stocks with surging volume for explosive moves
5. Track institutional buying patterns in leading industry groups
6. Align trades with overall market direction using trend analysis
7. Cut losses at 7-8% to protect capital during downtrends
8. Combine strong fundamentals with technical breakout signals
9. Seek 25%+ annual earnings growth over multiple years
10. Prioritize companies launching innovations or leadership changes
11. Trade market-leading stocks with high relative strength ratings
12. Sell underperforming stocks quickly to focus on winners

『How to make money in stocks』の著者について

William J. O’Neil (1933–2023) was a pioneering investor, bestselling author of How to Make Money in Stocks, and founder of Investor’s Business Daily. Specializing in growth investing, his CAN SLIM® strategy—detailed in this finance classic—combines technical and fundamental analysis to identify market-leading stocks. A Harvard-educated stockbroker, O’Neil revolutionized equity research by launching the first computerized securities database through his firm William O’Neil + Company. He later expanded his influence with Daily Graphs (now MarketSmith), a stock charting tool used by institutional and individual investors globally.

O’Neil’s career milestones include purchasing a NYSE seat at age 30 and establishing O’Neil Data Systems, which pioneered automated financial publishing. His other works, including 24 Essential Lessons for Investment Success and The Model Book of Greatest Stock Market Winners, further cement his legacy in market analysis. Investor’s Business Daily, acquired by News Corp in 2021 for $275 million, remains a cornerstone of his financial education empire. How to Make Money in Stocks has sold over 4 million copies worldwide and is widely regarded as essential reading for traders and long-term investors alike.

『How to make money in stocks』に関するよくある質問

What is How to Make Money in Stocks by William J. O'Neil about?

How to Make Money in Stocks outlines the CAN SLIM strategy, a system combining fundamental analysis (earnings growth, new products) with technical chart patterns like the Cup with Handle. It teaches identifying market-leading stocks, timing entries/exits, and managing risk through historical precedent. The book emphasizes data-driven discipline to achieve consistent profits across market conditions.

Who should read How to Make Money in Stocks?

This book suits novice investors seeking a structured approach and experienced traders refining their strategies. It’s ideal for those interested in blending earnings analysis with chart patterns and readers who prioritize empirical stock behavior over theoretical models. O’Neil’s real-world examples make complex concepts accessible to self-directed learners committed to active investing.

Is How to Make Money in Stocks worth reading?

Yes, for investors wanting a proven, rules-based system. While some note its promotional tone toward O’Neil’s Investor’s Business Daily, the CAN SLIM methodology’s focus on historical data and actionable criteria provides measurable value. Over 400,000 copies sold since 1988 and updates for modern markets underscore its enduring relevance.

What is the CAN SLIM strategy in How to Make Money in Stocks?

CAN SLIM is a seven-factor framework:

• Current quarterly earnings growth (25%+ ideal)
• Annual earnings increases (25%+ over 3 years)
• New products, management, or market highs
• Supply/demand balance (low shares outstanding)
• Leadership in industry performance
• Institutional sponsorship from top funds
• Market direction alignment

This hybrid approach merges fundamental strength with technical timing.

How does How to Make Money in Stocks suggest identifying winning stocks?

O’Neil advocates screening for companies with accelerating earnings, innovative products, and strong relative price strength. The “Cup with Handle” chart pattern—a U-shaped base followed by a slight pullback—signals potential breakouts. Historical analysis of past market winners (e.g., Microsoft in 1986) provides templates for spotting emerging leaders.

What are the key criticisms of How to Make Money in Stocks?

Critics argue the book overly promotes O’Neil’s Investor’s Business Daily and proprietary tools. Some find it dismissive of alternative strategies like value investing, and the CAN SLIM system requires frequent portfolio adjustments that may overwhelm passive investors. However, its empirical focus on winning stocks remains influential.

How does CAN SLIM compare to Warren Buffett’s investing philosophy?

Unlike Buffett’s long-term value focus, CAN SLIM targets high-growth stocks during uptrends, prioritizing near-term earnings momentum. While Buffett buys undervalued companies to hold indefinitely, O’Neil advocates cutting losses at 7-8% and selling after 20-25% gains. Both emphasize rigorous research but diverge on time horizons and risk tolerance.

Why is How to Make Money in Stocks relevant for 2025 investors?

The 2025 market’s emphasis on AI and renewable energy aligns with CAN SLIM’s focus on innovative sectors. O’Neil’s rules for managing volatility through stop-loss orders and sector rotation remain critical amid geopolitical and rate uncertainties. Updated editions address algorithmic trading, making it adaptable to modern markets.

What is the “Cup with Handle” pattern described in the book?

This technical formation occurs when a stock’s price drops (forming the cup’s curve), stabilizes, then dips slightly (the handle) before breaking out to new highs. O’Neil cites cases like Tesla in 2013, where this pattern signaled a 1,200% surge. It identifies consolidation phases before major rallies, offering low-risk entry points.

How does How to Make Money in Stocks approach risk management?

The book mandates strict 7-8% stop-loss limits to prevent catastrophic losses. It advises diversifying across 5-10 stocks and taking profits at 20-25% gains unless market conditions favor extended runs. O’Neil stresses avoiding emotional decisions by adhering to predefined rules.

What are 3 key takeaways from How to Make Money in Stocks?

1. Follow institutional money: Top-performing stocks often have growing fund ownership.
2. Cut losses early: Protect capital by selling underperforming positions swiftly.
3. Focus on leading sectors: 50% of a stock’s move depends on industry group strength.

How to apply O’Neil’s strategies in today’s market?

Use screeners to find stocks with 25%+ earnings growth and RS (Relative Strength) ratings above 90. Monitor sectors dominating performance rankings (e.g., cloud computing in 2025) and watch for Cup with Handle formations on weekly charts. Pair this with real-time news analysis from sources like Investor’s Business Daily.