The market has a simple way of whittling all excessive pride and overblown egos down to size. After all, the whole idea is to be completely objective…

- William O'Neil

Over-diversification is a hedge for ignorance.

- William O'Neil

It is one of the great paradoxes of the stock market that what seems too high usually goes higher and what seems too low usually goes lower.

- William O'Neil

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

Since the market tends to go in the opposite direction of what the majority of people think, I would say 95% of all these people you hear on TV shows…

- William O'Neil

The whole secret to winning and losing in the stock market is to lose the least amount possible when you're not right.

- William O'Neil

My philosophy is that all stocks are bad. There are no good stocks unless they go up in price. If they go down instead, you have to cut your losses f…

- William O'Neil

Forget the adage buy low and sell high.

- William O'Neil

The majority of unskilled investors stubbornly hold onto their losses when the losses are small and reasonable. They could get out cheaply, but being…

- William O'Neil