Author

Books by William J. O'Neil

William J. O'Neil is an American stock broker, entrepreneur, and financial writer who founded Investor's Business Daily in 1984 as an alternative to the Wall Street Journal. He developed the CAN SLIM investment system after extensive research into the characteristics of the greatest stock market winners in American history. He founded the institutional stock research firm William O'Neil + Co., which serves major investment managers worldwide. O'Neil bought his seat on the New York Stock Exchange at age 30, one of the youngest people ever to do so at that time.