Lam Research Gains 18% in a Month: Should You Buy the Stock Now?

Lam Research (LRCX) shares have surged 18.4% in the past month, outperforming the tech sector, driven by easing U.S.-China trade tensions and strong demand for AI and datacenter chips. The company's Q3 fiscal 2025 results showed a 24.5% year-over-year revenue increase to $4.72 billion and a 33.5% jump in non-GAAP EPS, with management expecting product shipments for next-gen chip nodes to triple by 2025; despite the rally, LRCX's forward P/E ratio of 21.17 remains below its peers, suggesting it is attractively valued.

Analysis

Lam Research Corporation (LRCX) has experienced a significant 18.4% share price appreciation over the past month, outperforming the Zacks Computer and Technology Sector's 11% gain. This surge is primarily attributed to improved investor sentiment following a temporary U.S.-China trade truce, which includes a 90-day period of reduced tariffs: U.S. tariffs on specified Chinese imports are lowered to 30% from 145%, and Chinese duties on certain U.S. goods are cut to 10% from 125%. This development has broadly lifted semiconductor stocks, including peers like NVIDIA, Broadcom, and Advanced Micro Devices. Fundamentally, Lam Research demonstrates strong operational execution and growth prospects, particularly from the escalating demand for artificial intelligence (AI) and datacenter chips. The company shipped over $1 billion in products for next-generation chip nodes and packaging in 2024 and anticipates this figure will triple by 2025. Its strategic investments in R&D, such as Cryo 3.0 technology and the Aether dry-resist system, along with an expanded Asian manufacturing base, contributed to a non-GAAP operating margin increase to 32.8% in Q3 fiscal 2025, a 210 basis point year-over-year improvement. Financially, Lam Research reported robust Q3 fiscal 2025 results with revenue rising 24.5% year-over-year to $4.72 billion and non-GAAP EPS increasing 33.5%, surpassing consensus estimates for the fourth consecutive quarter with an average surprise of 6.1%. Despite the rally, LRCX maintains an attractive valuation, trading at a forward price-to-earnings (P/E) ratio of 21.17, below the sector average of 25.72 and that of key competitors.

Key Decisions for Investors

• Investors may consider initiating or adding to positions in Lam Research, given its strong financial performance, significant growth runway in AI and datacenter segments, and a comparatively attractive valuation despite recent share price appreciation.
• It is crucial to monitor the U.S.-China trade negotiations closely, as the current tariff reductions are temporary for 90 days; any changes to this agreement could significantly impact LRCX and overall semiconductor sector sentiment.
• Evaluate Lam Research's progress towards its goal of tripling shipments for next-generation chip nodes by 2025, as achieving this target is key to sustaining its growth trajectory and market leadership.