Solar stocks have been incredibly volatile recently, but SunPower (SPWR -1.02%) has outperformed rivals, at least on a relative basis. The reasons it has done better on the market come down to its fundamental advantages, like better technology, a more conservative balance sheet, and a more diverse set of customers. 

The slideshow below highlights why SunPower is a top solar stock today and why it will keep outperforming splashier rivals. 

The next billion-dollar iSecret
The world's biggest tech company forgot to show you something at its recent event, but a few Wall Street analysts and the Fool didn't miss a beat: There's a small company that's powering their brand-new gadgets and the coming revolution in technology. And we think its stock price has nearly unlimited room to run for early in-the-know investors! To be one of them, just click here.