Micron Technology Inc. and SK Hynix Inc. saw their market valuations surge in May 2026 due to booming demand for AI memory chips [1].
This growth signals a shift in the artificial intelligence gold rush. While processing chips previously dominated investor interest, the memory required to support massive AI workloads has become a critical bottleneck in the global supply chain [1], [2].
SK Hynix, based in South Korea, saw its market capitalization exceed $1 trillion [1]. The company's shares climbed more than 250% since the start of the year [1]. A CNBC report cited by AOL Finance said, "SK Hynix has emerged as a key supplier to AI chip giant Nvidia, cementing its position at the center of the global AI supply chain."
Valuations for the U.S.-based Micron Technology Inc. have also risen sharply, though reports vary on the exact peak. Some data indicates Micron's market value surged above $1 trillion [2], while other reports state the company crossed $800 billion for the first time [4].
The surge is driven by a shortage of high-bandwidth memory. As AI servers hoard DRAM wafers, the scarcity has pushed the combined market value of Micron, SK Hynix, and Samsung to $3 trillion [3].
This shortage is beginning to affect consumer electronics. Reports indicate that smartphones cost 14% more in 2026 due to the memory chip shortage [3].
Micron, headquartered in Boise, Idaho, has seen its value rise as data centers expand their capacity to handle complex AI tasks [4]. The intense demand for these components has turned memory chips into one of the most valuable segments of the semiconductor industry.
“SK Hynix's market capitalization exceeded $1 trillion”
The trillion-dollar valuations of memory chip makers reflect a transition in AI infrastructure. The industry is moving from a phase of designing powerful processors to a phase of solving the 'memory wall,' where the speed of data retrieval must match the speed of computation. This shift suggests that memory capacity and bandwidth are now as vital to AI scaling as the GPUs themselves, though the resulting shortages are increasing costs for consumer hardware.
