Both Nvidia (NVDA 0.12%) and Micron Technology (MU -1.04%) have been highly profitable investments in the past year, with their share prices rising rapidly thanks to the way artificial intelligence (AI) has supercharged their businesses. While Nvidia stock has gained 255% in the past year, Micron's gains stand at 91%. If you are looking to add one of these two AI stocks to your portfolio right now, which one should you be buying? The case for Nvidia Nvidia has been the go-to supplier of graphics processing ...