Wall Street sees 'changing of the guard in AI' as Intel, AMD shares soar while Nvidia lags

Lisa Su, CEO of AMD speaks with CNBC on May 6, 2026. CNBC Since the launch of ChatGPT in late 2022 and the start of the generative AI craze, one name has dominated the infrastructure boom: Nvidia . While the chipmaker — and the world's most valuable company — continues to prosper and is expected to show revenue growth of 70% this fiscal year, Wall Street has moved elsewhere, piling into businesses that were hardly visible in the initial years of the artificial intelligence buildout. This week offered the starkest illustration yet of what MIzuho analyst Jordan Klein said could be a "changing of the guard in AI." Chipmakers Advanced Micro Devices and Intel notched gains of about 25%, while memory maker Micron jumped more than 35% and fiber-optic cable maker Corning climbed about 20%. All four of those companies have more than doubled in value this year, with Intel leading the way, up well over 200%. Nvidia, meanwhile, is only slightly ahead of the Nasdaq in 2026, gaining 16% for the year, aided by a 9% rally this week. In spreading the wealth to a wider swath of hardware companies, investors are clearly betting that the bull market in AI has long legs and that data centers are going to need a wider array of advanced components for years to come. …