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Japanese and Korean Semiconductor Stocks Rise on Micron's Bullish Forecast, Confirming AI Memory Demand

June 24, 2026 at 21:51 EDT

Infra & Chips
Finance

Micron Technology's fiscal third-quarter results and forward guidance, released on June 24, 2026 (U.S. time), came in well above market estimates, reaffirming the durability of demand for AI memory. The report sent equities in Japan and South Korea higher, led by semiconductor-related shares.

Fiscal Q3 · Micron Technology

"Insatiable" AI Memory Demand Powers a Record Beat

Micron crushed expectations and guided to a blockbuster fourth quarter, lifting chipmakers across Japan and South Korea and reaffirming the durability of the AI trade.

$41.46B

Q3 revenue — beat estimates

$25.11

Adjusted EPS vs. $20.86 est.

~81%

Gross margin — record for memory

Revenue: Q4 Outlook Towers Over Estimates

Guided Q4 revenue of ~$50B blows past the $43.2B analyst average.

$43.2B

Analyst estimate

~$50B

Micron Q4 guidance

Q3 segment revenue

DRAM $31.3B

NAND $9.9B

Both ahead of estimates ($27.5B / $7.7B), driven by data-center demand.

HBM — the growth driver

$1B+

HBM revenue topped $1B for the first time.

2026 supply nearly fully contracted; HBM4 volume shipments for Nvidia's next platform expected Q1 2026.

▲ The bull case

Results confirm strong, sustained AI demand — easing fears of a cooling AI trade after the South Korean memory slump. Nikkei, KOSPI, Samsung and SK Hynix all rose.

⚠ What to watch

HBM supply constraints persist. The next focus: 2027 supply allocation and a deepening relationship with Nvidia.

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