Whether you own stocks now, or want to make your first trade, this tutorial will show you how to build a solid portfolio. Thinkstock By the editors of Kiplinger's Personal Finance Updated January 2015 Do you own stocks or stock funds? If the answer is yes, this tutorial can help you develop a portfolio that makes sense for you.See Also: 5 Easy Ways to Track Your Stocks If the answer is no, this planning center has the information and advice you need to confidently place your first buy order. Getting Started Stocks can be volatile, but they have historically returned more than any other investment. Keep an Eye on Earnings his is the bottom line, profits. Plus, how share prices and earnings can help you compare stocks. Check Key NumbersBook value, return on equity, total return and other indicators can help you zero in on quality stocks. Establish Your Game Plan A personalized approach and investing at regular intervals are the best ways to build wealth. Avoid Common Errors One requirement for successful investing is keeping mistakes to a minimum. These eight mistakes recur with unnecessary frequency. When Stocks Head South The best time to buy is when no one else wants to. These strategies can help keep your savings on track even as the markets tumble. 5 Scenarios When Selling Stocks Makes Sense Hint: It has nothing to do with the market, and everything to do with your personal circumstances.