10 Top Stock Trading Systems - Stock Trading Tips Stock Trading Tips The following are excerpts from Reminiscences of a Stock Operator. Jesse Livermore's Stock Trading Tips & Comments Remember that stocks are never too high for you to begin buying or too low to begin selling. But after the initial transaction, don't make a second unless the first shows you a profit. If a stock doesn't act right don't touch it; because, being unable to tell precisely what is wrong, you cannot tell which way it is going. No diagnosis, no prognosis. No prognosis, no profit. Always sell what shows you a loss and keep what shows you a profit. The principles of successful stock speculation are based on the supposition that people will continue in the future to make the mistakes that they have past. Don't argue with the tape. Do not seek to lure the profit back. Quit while the quitting is good--and cheap. Never buy a stock because it has had a big decline from its previous h...