How to Make Money in Stocks — Chapter 4: The Ironclad 8% Stop-Loss Rule & Exit Signals

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William O'Neil's How to Make Money in Stocks Chapter 4: Enforce the 7%-8% hard stop-loss, 20-25% profit target, and climax top exit signals.

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How to Make Money in Stocks — Chapter 4: The Ironclad 8% Stop-Loss Rule & Exit Signals

"Limiting losses to 7% or 8% is your ultimate insurance policy in the stock market." — William O'Neil

Financial Context

Chapter 4 sets forth O'Neil's golden risk management rule: The 8% Hard Stop-Loss.

Wall Street Application

1. The 8% Stop-Loss Rule

  • Rule: Cut all losses unconditionally when price drops 7%–8% below purchase cost.
  • Math Logic: Recovering from an 8% loss requires only an 8.7% gain; recovering from a 50% loss requires a 100% gain.

2. Climax Top Exit Signals

  • Climax Top: Rapid parabolic price escalation after a prolonged uptrend, accompanied by massive volume spikes and exhaustion gaps, signals institutional distribution.

Trading Execution Rules

  1. Set Automatic 8% Stop: Place hard stop-loss orders immediately upon entry.
  2. Execute Without Exception: Eliminate emotional hesitation at stop triggers.
  3. Sell on Parabolic Climax: Lock in profits during exhaustion spikes.