Over a five-year period, you would have actually lost money on HPQ and earned a relative pittance on CSCO. AMZN data by YCharts
Depending on when you bought them over the last decade, you needed to reassess why you bought HPQ and CSCO to avoid losing money or subpar returns. AAPL and AMZN - a different story. I tend to focus on writing about tech and media companies these days. That's how I feel best relating to investors and the broader audience. But it's instructive, whether you can own stocks or not, to go back once in a while and reconsider the obvious. For many investors, however, the obvious only appears that way in hindsight. Follow @rocco_thestreet -- Written by Rocco Pendola in Santa Monica, Calif.