Gross margin hit 48.7% and management immediately guided it down.
Thesis: The Street is obsessing over the temporary China margin cliff and missing the structural NAND inflection. Lam owns the bottleneck in high-aspect-ratio etch. Spares revenue rising double-digits is the 'canary in the coal mine' for utilization recovery. In the coming 2025 upgrade cycle, Lam's capture rate per dollar of WFE is higher than in greenfield builds. You buy the utilization turn, not the trailing earnings.
Verdict: LONG — Conviction: MEDIUM
Catalyst: Revisions to 2025 NAND WFE spending forecasts or continued sequential acceleration in spares revenue.
Key Risk: China revenue collapses faster than the non-China recovery ramps, creating a revenue air pocket in H2 2024.
The Tell: When asked about margin sustainability, Bettinger admitted: 'Gross margin sometimes is a little bit better when we're selling to smaller customers... it's not because of the geographic region, it's because of the size of the customer.' This confirms the margin beat is purely a function of pricing power over small Chinese buyers, not operational efficiency.
Friction Level: MODERATE_FRICTION — Whether the H2 China revenue decline creates an air pocket before the 2025 NAND recovery kicks in.
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