Stock Investing: Buy High And Sell Low? Every investor knows the phrase "buy low, sell high". What that means is that it is desirable to buy a stock when it is selling for a low price and then to sell it after the stock goes up. Buying low and selling high is how you make money in the stock market. Why is it then that there is such a te... Similar Editorial : Stock Investing by Richard Stoyeck. | Source : Global Fund Investment