Samsung Leads Memory Surge as AI Tightens Supply

SK Hynix shares jumped as much as 11% intraday on May 27, 2026, pushing the company's market value past $1 trillion after a more than 900% rally over the past year. The surge cements SK Hynix as Asia's third public company to top $1 trillion, following Samsung Electronics' recent entry; South Korea's Kospi index rose about 5% that day. The move is tied to SK Hynix's role as a primary supplier of high-bandwidth memory chips for Nvidia, reflecting booming demand for advanced DRAM and HBM products used in AI accelerators. The milestone underscores investors' bullishness on memory suppliers amid AI-driven data center spending.

SK Group chairman Chey Tae-won said at Nvidia’s GTC that the global memory chip shortage could persist until about 2030 because wafer supply is more than 20% short of demand and adding capacity takes four to five years. He warned that heavy investment in high-bandwidth memory (HBM) for AI accelerators is crowding out conventional DRAM output, driving price spikes that could affect smartphones and PCs. SK Hynix (57% HBM, 32% DRAM) is building a $13B HBM packaging/testing plant due by end of 2027; Samsung and Micron are also expanding HBM/DRAM capacity with initial outputs around 2028. SK Hynix plans measures to stabilize DRAM prices; Gartner forecasts sharp PC and smartphone impacts from rising DRAM and SSD costs.

Micron Technology’s market value topped $1 trillion after its shares jumped about 18% intraday to $888, marking a 210% gain year-to-date. UBS raised its price target for Micron from $535 to $1,625, citing strong AI-driven memory demand and new long-term supply agreements that lock in volumes and partially stabilize pricing. UBS says such deals could make DRAM demand more predictable, reduce price volatility and temper Micron’s historically volatile earnings. The surge follows robust quarterly revenue and government support for domestic chip production, reinforcing investor confidence in memory makers amid sustained AI-related capacity needs.

TrendForce reports Micron has started 1α DRAM production at its Fab 6 in Manassas, Virginia, but this is an internal capacity shift to secure localized memory supply for critical U.S. industries rather than an increase in total LPDDR4 and DDR4 capacity. Micron is simultaneously upgrading some DRAM capacity in Taiwan from 1α to 1β/1γ to boost HBM and DDR5 supply. As a result, overall combined LPDDR4 and DDR4 output remains unchanged and Micron has not resumed consumer DDR4 shipments. TrendForce expects DDR4 shortages and upward price pressure to persist this year, given DDR4’s continued role in networking equipment.

TrendForce reports that major NAND flash manufacturers will add almost no new capacity in 2026, and strong AI-driven demand means supply shortages are expected to persist throughout 2026. The research notes the combined revenue of the top five NAND vendors in 2026 Q1 reached $38.9 billion, a sequential increase of 83.7% driven by higher-than-expected ASPs. Samsung led with a 104.7% quarter-over-quarter NAND revenue jump, while Micron and SanDisk each rose 96.7%, Kioxia +80.0%, and SK Hynix +44.6%. TrendForce expects server demand to absorb slack from weaker smartphone and PC markets in 2026 Q2, supporting shipment growth and sustained ASPs.

A developer argues AI-driven storage will remain tight over the next 2–3 years because demand grows like software and capex-driven exponential curves while supply is constrained by semiconductor manufacturing factors (wafer starts, bits per wafer, yield, packaging). They warn investors to watch profit-growth slopes, not just flagship products: although HBM demand is tied directly to GPU shipments and per-GPU capacity, server DRAM could see outsized demand if agentic AI shifts CPU:GPU ratios toward 1:1, and enterprise SSDs depend more on token access patterns (e.g., online retrieval) than raw token volume. The piece reframes the storage cycle around profitability dynamics across HBM, DRAM, and eSSD. It matters for chipmakers, cloud providers, and AI infrastructure planners.

Samsung Electronics has begun a preventive “warm-down” at some wafer fabs from May 14 to reduce new wafer starts and shift capacity toward higher-value memory like DRAM and HBM ahead of a possible May 21 strike. TrendForce reported the step is meant to lower tool load and gradually adjust conditions to avoid sudden stops that could damage equipment and scrap wafers; Samsung reportedly removed about 15,000 wafer cassettes from its Pyeongtaek DRAM lines. Major customers including Apple and HP are querying potential impacts, and media estimates of economic damage vary widely depending on strike scope. The move prioritizes protecting critical, higher-margin product lines.

Samsung’s Lee family now holds the top four spots on South Korea’s billionaire list as AI-driven demand for memory chips sends Samsung Electronics’ stock surging. Chairman Lee Jae-yong’s net worth jumped to $34 billion after Samsung’s share price rose about 40% in a month and fourfold over the past year, driven by booming HBM and NAND sales feeding AI datacenter workloads and major customers like NVIDIA. Samsung’s market value topped $1 trillion and its chip business posted record quarterly revenue and profit, with Barclays forecasting HBM revenue could triple this year amid persistent supply tightness through 2027. The family’s wealth stems largely from Samsung Electronics stock, cementing the group’s dominance in AI memory supply chains.

South Korean customs data show dramatic price jumps for memory chips in the month ending May 10, 2026: DRAM chip prices rose 497.4% year-on-year to $89,498/kg (up 20.9% month-on-month), while NAND flash hit $67,307/kg, up 351.6% YoY and 63.1% MoM. HBM-class MCPs climbed 165.5% YoY to $78,752/kg, and the overall memory category rose 326.3% YoY. DRAM module prices fell 13.9% MoM but remain up 351.2% YoY, indicating a disconnect between upstream die prices and downstream module/consumer product pricing. Manufacturers including Samsung, SK hynix, Micron and Kioxia are prioritizing AI-focused, higher-margin memory (HBM, server DRAM, enterprise NAND), which tightens supply for consumer segments even as consumer SSD spot prices show declines amid PC demand weakness.