Chips stocks like Nvidia have boomed in recent years. How have Intel investors made out?Many semiconductor stocks are soaring right now. Over the past three years, for example, Nvidia's stock has skyrocketed nearly 600%.But what about other chip stocks, like Intel (INTC -4.26%)?Intel's 3-year performance paints a surprising pictureWhile Nvidia stock has septupled in value the last three years, Intel shareholders have lost roughly 38% of their money. A $300 investment then would now be worth just$186. What ...