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William ONeil Quotes

90% of the people in the stock market, professionals and amateurs alike, simply haven't done enough homework.

William J. O'Neil (2002). “How to Make Money in Stocks: A Winning System in Good Times Or Bad”, McGraw-Hill Companies

I've never met a successful pessimist.

"Conversation with a maverick investor". Interview with Kevin Marder, www.marketwatch.com. September 13, 2011.

If you own a portfolio of stocks, you must learn to sell the worst performers first and keep the best a little longer.

William O'Neil, Amy Smith (2013). “How to Make Money in Stocks and Success Stories”, p.188, McGraw Hill Professional

Over-diversification is a hedge for ignorance.

Interview with Bill Mann, www.fool.com. June 20, 2002.