William J. O'Neil
Overview
Built a rules-based blend of fundamentals and chart action.
Style
CAN SLIM, breakouts, earnings momentum, volume
Firm
Investor's Business Daily
Period
1933-2023
Why should I care?
- Built a rules-based blend of fundamentals and chart action.
- Associated with Investor's Business Daily.
- Buy only when price and volume confirm.
- Cut losses quickly to protect capital.
- Prefer leading stocks rather than catching weak names.
Beginner lesson
Identify the repeatable principles behind decisions by William J. O'Neil.
Separate process quality from short term outcomes.
Note which lessons fit your time horizon, risk tolerance, and market access.
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Quick principles
Buy only when price and volume confirm.
Cut losses quickly to protect capital.
Prefer leading stocks rather than catching weak names.
Combine fundamental growth with price action.
Profile notes
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