Wall Street AI chip love moves from Nvidia to Intel, AMD and Micron

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. Memory has been the biggest theme of late due to a global shortage that’s driven up prices and turned Micron, a 47-year-old company tucked in a sleepy corner of the semiconductor market, into one of the hottest trades over the past 12 months.

Micron blew past an $800 billion market capitalization for the first time this week, and the stock is now up over 750% in the past year. CEO Sanjay Mehrotra told CNBC in March that key customers are only getting “50% to two-thirds of their requirements” because of supply issues.

The memory market is largely dominated by Micron along with Korea-based Samsung and SK Hynix, which are also both in the midst of historic rallies.

“That is what happens when a market quickly enters a material shortage condition and pricing surges higher” while expenses “rise only modestly,” Mizuho’s Klein wrote in a note to clients early in the week. “You make a lot of money being overweight historic memory upturns when new capacity cannot be added fast enough. That simple.”

Beyond memory is insatiable demand for central processing units (CPUs), which underpin everyday computers and smartphones. They had mostly become an afterthought as model developers like OpenAI and Anthropic and cloud giants Google, Microsoft and Amazon were gobbling up Nvidia’s GPUs.

Now CPUs are back in the spotlight as momentum shifts from chatbots to AI agents. Bank of America estimates the data center CPU market could more than double from $27 billion in 2025 to $60 billion in 2030.

AMD’s quarterly results this week underscored the emerging trend, as earnings, revenue and guidance sailed past estimates on strong data center growth. The company has long led the CPU charge, and CEO