Intel stock jumped 9% on Tuesday, smashing through 52-week highs on a rumor that sounded impossible just six months ago: Apple is coming back.Signage with logo at the Silicon Valley headquarters of computer hardware manufacturer Intel, Santa Clara, California, August 17, 2017. (Photo via Smith Collection/Gado/Getty Images).Getty ImagesFor the last three years, owning Intel (INTC) has felt like holding a melting ice cube. While Nvidia printed millionaires and AMD clawed its way to glory, Intel was the "dead ...