William J. O’Neil’s 10 Trading Principles that Made Him a Legend.

A Thread🧵👇

“I make it a rule to never lose more than 7 percent on any stock I buy. If a stock drops 7 percent below my purchase price, I will automatically sell it at the market – no second-guessing, no hesitation”

“The whole secret to winning in the stock market is to lose the least amount possible when you’re not right.”

William O’Neil studied historical chart patterns relentlessly and read thousands of trading books.

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

He invested in an industries leading stocks not its laggards and dogs.

“It seldom pays to invest in laggard stocks, even if they look tantalizingly cheap. Look for, and confine your purchases to, market leaders.”