William J. O’Neil ... ditching losers quickly and suppressing emotions. O’Neil, who died Sunday at the age of 90 at his home in Santa Monica, Calif., promoted his investment methods through ...

William J. O’Neil, an early and successful practitioner ... which he founded in 1984, has died. He was 90. His death was announced Monday on the website of William O’Neil & Co., the Los ...

He died on May 28, 2023, at the age of 90. Investopedia / Julie Bang William J. O'Neil was born on March 25, 1933, in Oklahoma City. His early years and financial habits were influenced by the ...

LOS ANGELES--(BUSINESS WIRE)--William J. O'Neil, "Bill," a highly accomplished figure in the world of stock speculation, entrepreneurship, authorship, and philanthropy has passed away at the age ...

Investor's Business Daily founder and Southern Methodist University graduate William J. O'Neil has died at age 90.(Business Wire) William J. O’Neil, an early and successful practitioner of ...