William O’Neil (stock broker) cause of death

American investor and stockbroker William O’Neil passed away from an unknown cause on May 29, 2023. He was aged 90.

Who Was William O’Neil?

William O’Neil was an investor, stockbroker, and entrepreneur, well-known to be the founder of the financial newspaper Investor’s Business Daily (IBD) and the creator of the CAN SLIM investment strategy.

Born on March 25, 1933, in Oklahoma City, Oklahoma, William’s entrepreneurial endeavors spanned finance, data management, and investment management.

In 1963, William founded Investment Business Daily (IBD) newspaper with the aim of providing in-depth analysis of the stock market and investment opportunities.

The IBD newspaper gained recognition for its data-driven approach to stock analysis and its focus on growth stocks.

O’Neil had retired as chairman and CEO of IBD in 2014.

Aside from IBD, William developed the CAN SLIM investment strategy, which stands for Current earnings, Annual earnings growth, New products or services, Supply and demand, Leader or laggard, Institutional sponsorship, and Market direction.

The strategy emphasizes investing in companies with strong earnings and, innovative products.

Consequently, William founded O’Neil Data Systems in 1973, to provide data-driven print and mail solutions for businesses.

William additionally established the brokerage firm – William O’Neil + Co. Incorporated – which provides investment advisory services and institutional research to clients.

William was known to have authored several books on investing, including “How to Make Money in Stocks” and “24 Essential Lessons for Investment Success.”