Buying stock with commission AT your discount brokerage firm, it costs $10.05 per stock trade. How much money do you need to buy 500 shares Ralph lauren(RL), which trades at $85.27? Value of a preferred stock if a preferred stock from plizer inc. (PFE) pays $19.00 in annual dividends, and the required return on the produced stock is 8.00 percent, what?s the value of the stock? P/E ratio and stock price international business machines(IBM) has earnings per share of $7.30 and a P/E ratio of 15.28. What is the stock price