Micron Achieves Record Performance on AI Memory Demand

Micron Technology, the world's third-largest memory semiconductor company, reported record revenue of $23.86 billion (approximately 36 trillion won) for its fiscal 2026 second quarter (December 2025 - February 2026), representing a 196% surge year-over-year. Operating profit for the same period exploded 810% year-over-year to $16.135 billion, with operating margin jumping 45.6 percentage points from 22.0% to 67.6%. The results exceeded market expectations (approximately $20 billion) by nearly 20%, and as the global memory semiconductor market's "bellwether," Micron's performance brightens growth prospects for Korean memory companies Samsung Electronics and SK Hynix.

Micron's explosive growth was driven by demand for high-performance memory for artificial intelligence (AI) data centers. DRAM (Dynamic Random Access Memory) revenue in particular surged 207% year-over-year to $18.8 billion, accounting for 79% of total revenue. This includes performance from High Bandwidth Memory (HBM), essential for AI semiconductors. Sanjay Mehrotra, Micron's CEO, stated, "AI hasn't simply increased memory demand—it has repositioned memory as a critical strategic asset," adding, "We expect significant record-breaking performance in the third quarter as well."

Market Reaction Mixed on Aggressive Capital Investment

Micron projected third quarter (March-May 2026) revenue of $33.5 billion. This exceeds market expectations ($24.3 billion) by 38% and would surpass fiscal 2024's full-year revenue ($25.1 billion) in a single quarter. However, investor concerns grew after Micron disclosed $5 billion in capital expenditures (CAPEX) during the second quarter and announced plans to expand fiscal 2026 total capital investment to over $25 billion.

According to CNBC, Micron's stock fell approximately 7% in pre-market trading on the 19th. The decline reflected concerns about financial burden from excessive investment and potential future memory oversupply. However, global investment bank Bernstein upgraded Micron's target price to $510, noting that given the years required from semiconductor cleanroom construction to mass production, near-term oversupply risks remain low.

Samsung Electronics and SK Hynix 1Q Earnings Expected to Surge

Micron's earnings surge brightens growth prospects for Korean memory semiconductor companies. The securities industry forecasts Samsung Electronics and SK Hynix's first quarter 2026 operating profits will increase 445% and 312% year-over-year, respectively. Micron's disclosure that it maintains DRAM inventory at under 120 days suggests continued supply shortage conditions in the memory market.

Micron's record performance across all four core business segments—cloud memory, data centers, mobile, and automotive—demonstrates that not only AI but broad digital transformation demand is supporting the memory market.

HBM4 Mass Production Competition Intensifies, 7th Generation Launch Planned for 2027

Ahead of its earnings announcement, Micron disclosed it is mass-producing and shipping HBM4, the sixth-generation HBM. This product is designed for NVIDIA's next-generation AI chip, Vera Rubin. Micron revealed its intention to dominate the next-generation memory market by setting 2027 as the mass production timeline for seventh-generation HBM (HBM4E).

This also presents pressure for Samsung Electronics and SK Hynix. While SK Hynix currently enjoys a dominant position in the HBM3E market, HBM market competition is intensifying as Samsung Electronics and Micron ramp up their pursuit. Micron's HBM4 mass production announcement signals that HBM supply competition will intensify from the second half of 2026.

Memory Semiconductor Industry Recovery Expected to Continue [AI Analysis]

Micron's record performance and aggressive capital investment suggest the memory semiconductor industry recovery will likely continue throughout 2026. As AI data center construction accelerates, demand is growing not only for HBM but also for general server DRAM and NAND flash for solid-state drives (SSDs). Micron maintaining DRAM inventory below 120 days indicates supply shortages will persist for the time being.

However, Micron's capital investment plan exceeding $25 billion could increase oversupply risks after 2027. Considering the average 2-3 years required from semiconductor manufacturing facility construction to mass production, increased memory market supply around 2028 could create downward price pressure. Nevertheless, severe oversupply like in the past is unlikely as memory demand itself is structurally expanding due to increasing AI model parameters, multimodal AI proliferation, and edge AI device adoption.

Samsung Electronics and SK Hynix are expected to accelerate HBM4 and HBM4E mass production schedules while expanding production capacity, while also focusing on increasing market share in next-generation DRAM (DDR5, LPDDR5X) markets. Micron's strong performance sends a powerful signal that 2026 could be a "super cycle" for Korean memory semiconductor companies.