Micron earnings and capex again beat expectations, reinforcing the medium-term upside case for Japanese SPE

Overview

This report evaluates the impact of Micron's 3Q results for FY8/26 and capex guidance on Japanese semiconductor production equipment stocks. Micron's 3Q revenue, gross margin, operating profit, and EPS all significantly exceeded both company guidance and market expectations, and 4Q guidance also remained above consensus. The report argues that demand for AI data centers, HBM, DRAM, NAND, and SSD remains strong, tight memory supply and demand has not yet eased, and Micron's continued capex increases and capacity projects in the United States, Japan, Singapore, India, and Taiwan, China send a positive signal to the Japanese SPE supply chain.

Core views

The core view is that Micron's strong performance is not a one-quarter fluctuation, but is jointly driven by AI-led expansion in memory demand, price increases, long-term customer agreements, and the capacity build-out cycle. On the supply side, fab construction timelines and labor constraints are expected to make it difficult to fully meet demand before 2028. Jefferies believes Japanese SPE stocks have already risen since June and may correct in the short term due to changes in U.S.-Japan interest rates or the Middle East situation, but strong fundamentals should limit downside and preserve medium-term upside potential.

Analysis framework

The report combines earnings review with supply-chain transmission analysis: it first breaks down Micron's 3Q revenue, margins, EPS, inventory, 4Q guidance, and capital expenditure, then examines demand across DRAM, NAND, data centers, AI servers, SSDs, PCs, smartphones, and ADAS, and finally maps Micron's capex and the memory cycle to the order and valuation logic for Japanese SPE stocks.

Methodology notes

• Earnings ReviewComparison of actuals, guidance, and market expectations

  Assess fundamental momentum through differences among company results, company guidance, and market consensus.

  Micron's 3Q revenue, gross margin, and EPS exceeded both guidance and consensus, while 4Q revenue and EPS guidance also came in significantly above market expectations, indicating that the memory cycle and the company's earnings momentum are stronger than the market had previously assumed.

• Supply Chain AnalysisCapital expenditure transmission framework

  Map changes in memory makers' capex to semiconductor equipment demand.

  Micron raised its FY2026 capex and indicated continued growth in infrastructure and equipment investment in 2027, implying that WFE and related Japanese SPE companies may receive support for orders and earnings.

• Supply-Demand CycleAssessment of tight memory supply and demand

  Determine cycle positioning through demand growth, inventory days, price changes, and capacity construction timelines.

  DRAM inventory is below 120 days, demand for both DRAM and NAND continues to exceed supply by a wide margin, and new capacity takes a long time to build, supporting continued memory pricing strength and capex.

Asset mapping & comparison

Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).

• Micron Technology (MU)

  Source of earnings and capital expenditure signals

  Strengths

  Revenue, margins, EPS, and 4Q guidance significantly exceeded expectations; demand for DRAM, NAND, HBM, and data-center SSDs is strong; capital expenditure continues to be raised.

  Weaknesses

  Rated NC, and the report does not provide a formal investment rating or target price; capacity expansion requires a long construction cycle.

  Comparison

  Compared with market expectations, both actual 3Q results and 4Q guidance were materially stronger.

  Risks

  Middle East developments, production disruptions, capex execution, supply-demand reversals, and price volatility.

• Advantest

  Japanese SPE beneficiary

  Strengths

  The report believes its share-price rise after the April-May earnings season was relatively moderate, and that it can benefit from memory- and AI-related testing demand.

  Weaknesses

  The stock price may still be affected in the short term by interest rates and sector valuation volatility.

  Comparison

  Compared with some SPE stocks that have already risen sharply, the report believes Advantest still offers recommendation value.

  Risks

  Delays in semiconductor capital expenditure, customer order volatility, and valuation pullback.

• KOKUSAI Electric

  Japanese SPE beneficiary

  Strengths

  Highly correlated with expanding memory investment and expected to benefit from Micron's and the industry's DRAM and NAND capacity expansion.

  Weaknesses

  Sensitive to the memory capex cycle.

  Comparison

  The report lists it alongside Advantest as a stock recommendation.

  Risks

  Falling memory prices, delayed equipment orders, and customer concentration risk.

• TOWA

  Small- and mid-cap SPE beneficiary

  Strengths

  The report believes it will benefit from active memory investment by Micron and others, especially demand related to packaging and back-end processes.

  Weaknesses

  Small- and mid-cap stocks may be more volatile.

  Comparison

  Named as a beneficiary among small- and mid-cap SPE names.

  Risks

  Order realization below expectations, valuation volatility, and an industry-cycle slowdown.

• Tokyo Seimitsu

  Small- and mid-cap SPE beneficiary

  Strengths

  The report believes it will benefit from active memory investment and strong conditions in Japan's equipment supply chain.

  Weaknesses

  Sensitive to the pace of equipment investment and customer capex.

  Comparison

  Along with TOWA, it is one of the small- and mid-cap beneficiaries highlighted by the report.

  Risks

  Capex cuts, slower equipment demand, and short-term stock-price correction.

Key data

• Micron 3Q FY8/26 revenueUS$41.5 billionUp 346% year on year and about 74% to 75% quarter on quarter, above company guidance of US$33.5 billion ± US$0.75 billion and market expectations of US$35.9 billion.
• Micron 3Q gross margin84.9%Improved 10.5 percentage points quarter on quarter and 47.2 percentage points year on year, above company guidance of 81%.
• Micron 3Q EPSUS$25.11Above the high end of company guidance of US$19.15 ± US$0.45, and also above market expectations of US$20.70.
• Micron 4Q FY8/26 revenue guidanceUS$50.0 billion ± US$1.0 billionAbout 20% ± 2 percentage points higher than 3Q, above market expectations of US$43.5 billion.
• Micron 4Q FY8/26 EPS guidanceUS$31.0 ± US$1.0Above market expectations of US$20.70.
• FY2026 capital expenditure planAbout US$27.0 billionRaised from the previous US$25.0 billion, representing about 95% year-on-year growth.
• FY2027 infrastructure capital expenditureIncrease of more than US$10.0 billion year on yearThe report says equipment investment is also expected to increase year on year.
• Jefferies WFE forecastAbout +25% in 2026 and about +15% in 2027Market consensus is also being revised upward, with more views shifting to about 25% to 30% in 2026 and above 20% in 2027.
• Cloud Memory revenueUS$13.7 billionUp 78% quarter on quarter and 307% year on year, continuing to hit record highs.
• Core Data Center revenueUS$11.5 billionUp 103% quarter on quarter and 653% year on year.
• DRAM 3Q revenueUS$31.3 billionRepresented 76% of company revenue, up 67% quarter on quarter and 333% year on year.
• NAND 3Q revenueUS$5.0 billionRepresented 24% of company revenue, up 99% quarter on quarter and 169% year on year.
• SCA contracts16 customers; 14 companies with minimum-price-based contracts totaling US$100.0 billionCustomer prepayments and commitments reached US$22.0 billion, indicating greater business-model stability.

Impact & implications

In terms of investment implications, Micron's earnings and capex upgrades reinforce the durability of the memory upcycle and directly benefit the Japanese SPE equipment chain. Advantest is recommended because its share-price gain after its April-May earnings was relatively moderate; KOKUSAI benefits from expanding memory demand; and TOWA and Tokyo Seimitsu, as related small- and mid-cap names, are also expected to benefit from active investment by Micron and the broader memory industry.

Risks

• Changes in U.S.-Japan interest-rate trends could trigger short-term valuation adjustments in SPE stocks.
• The Middle East situation remains a risk factor and could affect production and supply chains.
• If tight memory supply and demand ease or prices fall, expectations for Micron capex and equipment orders may be revised downward.
• Large new fabs and infrastructure projects face construction timelines, labor constraints, and execution risks.
• SPE stocks have already risen further since June, so there is a short-term risk of profit-taking or valuation correction.

What to watch

• Changes in Micron's revenue, gross margin, EPS, and inventory days in subsequent quarters.
• Whether capex plans for 2026 and 2027 continue to be revised upward, and changes in the share allocated to equipment investment.
• Changes in pricing and supply-demand dynamics for DRAM, NAND, HBM, and data-center SSDs.
• Changes in SCA customer count, contract value, prepayments, and committed amounts.
• The impact of U.S. and Japanese interest-rate trends and the Middle East situation on semiconductor valuations and supply chains.
• Subsequent orders, earnings guidance, and relative stock-price performance of Advantest, KOKUSAI, TOWA, and Tokyo Seimitsu.