The rise of artificial intelligence has created fierce demand for a new kind of computing power. That’s why Nvidia, historically a maker of chips that give video games their slick graphics, has the best-performing shares in the Standard & Poor’s 500 index over the past year–up 200%!! The same technology that makes all those video games look so real, can also tell photos of grandpop from those of the family schnauzer--and it is just getting warmed up!