Western Digital Corporation

(NASDAQ Global Select)
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Bullish +75

Micron Rises 7%, Western Digital Climbs and SanDisk Climb 4% as Memory Stocks Extend Parabolic Run

AI-generated analysis

📈 Memory and storage stocks rallied midday Monday as Micron rose 7%, Western Digital gained 4%, and SanDisk climbed 4%.

🚀 The sector continues an extraordinary parabolic run with Micron up 265% YTD, Western Digital up 226% YTD, and SanDisk up 643% YTD.

💻 NVIDIA's Computex 2026 reveals are reinforcing demand signals for memory and storage infrastructure.

📊 Micron reported Q1 FY2026 revenue of $13.64 billion (up 57% YoY) with non-GAAP EPS of $4.78 beating estimates.

☁️ Micron's Cloud Memory Business Unit nearly doubled to $5.28 billion, driving record revenue and margin expansion.

🔮 Micron CEO Sanjay Mehrotra described the company as an "essential AI enabler" with order books stretching into 2027.

📈 Morgan Stanley maintains an Overweight rating on Micron, citing strength that is more durable than market perception.

💾 Western Digital Q3 FY2026 revenue reached $3.34 billion (up 46% YoY) with non-GAAP gross margin crossing 50%.

🗄️ HDD demand is being driven by cloud providers building AI training and inference infrastructure requiring persistent storage.

💰 Western Digital lifted its dividend by 20% to $0.15 per share while targeting 50%+ gross margins and $20+ EPS.

💾 SanDisk Q3 FY2026 revenue hit $5.95 billion (up 251% YoY) with non-GAAP EPS of $23.41 significantly beating estimates.

🏢 SanDisk's Datacenter segment grew 645% YoY to $1.47 billion, marking a fundamental inflection point in its business mix.

🤝 SanDisk retired $650 million of debt, joined the NASDAQ 100, and extended its Kioxia joint venture through 2034.

📈 NAND flash prices have surged 60% to 75% in recent quarters according to IndexBox reporting.

🤖 Polymarket traders assign a 99% probability that Micron stock will close higher today and a 64% chance of closing above $880 by month-end.

⚠️ Investors are cautioned about the cyclicality of memory stocks and their premium valuations after extraordinary runs.

📉 The $1,150 mini-tender offer for SanDisk was rejected in May, illustrating how dislocated valuations have become.

💼 Recent insider activity at SanDisk includes a director's $870K sale on May 8, which appears compensation-related rather than bearish.

🔮 Upcoming catalysts include NAND pricing data, hyperscaler capex commentary, and earnings reports from Micron and SanDisk.

Bullish Signals
  • Western Digital stock gained 4% to $554 as memory and storage stocks extend a parabolic run driven by the AI supercycle.
  • Micron reported Q1 FY2026 revenue of $13.64 billion, up 57% year over year, with non-GAAP EPS of $4.78 beating the $3.94 estimate.
  • Western Digital's Q3 FY2026 revenue reached $3.34 billion, up 46% YoY, and non-GAAP gross margin crossed 50% for the first time at 51%.
  • SanDisk reported Q3 FY2026 revenue of $5.95 billion, up 251% YoY, with non-GAAP EPS of $23.41 significantly beating the $14.66 estimate.
  • Western Digital lifted its dividend by 20% to $0.15 per share and targets 50%+ gross margins and $20+ EPS in the future.
  • SanDisk retired $650 million of debt, joined the NASDAQ 100 on April 20, and extended its Kioxia joint venture through 2034 for stable NAND supply.
  • NVIDIA's Computex announcements point to more AI infrastructure spend ahead, requiring increased DRAM, HBM, NAND, and HDD capacity.
  • NAND flash prices have surged 60% to 75% in recent quarters per IndexBox reporting, indicating strong market demand.
Risk Factors
  • Western Digital stock has climbed 226% year-to-date and 988% over the past 12 months, indicating it is deeply extended.
  • The article notes that memory stocks are 'premium-valued' after extraordinary runs, suggesting potential downside risk if sentiment shifts.
  • Recent insider activity at SanDisk includes a director's $870K sale on May 8, which warrants monitoring despite being potentially compensation-related.
  • Polymarket traders assign only a 64% probability of Micron closing above $880 by month-end, indicating uncertainty about sustaining current high valuations.
  • The rejection of the $1,150 mini-tender offer for SanDisk in May illustrates how dislocated valuations have become within the sector.
Full Analysis
Western Digital (WDC) shares climbed 4% alongside peers Micron and SanDisk as memory and storage stocks continued a strong rally driven by AI infrastructure demand. The sector is benefiting from a "supercycle" where hyperscalers are building out compute capacity, which necessitates significant increases in DRAM, NAND, and hard drive storage for both training and inference workloads. NVIDIA's recent announcements at Computex 2026 further reinforced this demand signal, pointing to continued spending on AI infrastructure that requires persistent data storage solutions like HDDs. Western Digital specifically is being supported by structural demand from cloud providers expanding their AI training and inference capabilities. The company reported Q3 FY2026 revenue of $3.34 billion, a 46% year-over-year increase, with non-GAAP EPS of $2.72 beating estimates. Notably, Western Digital achieved a non-GAAP gross margin of 51%, crossing the 50% threshold for the first time. CEO Irving Tan highlighted that virtually every AI workload creates data requiring persistent, cost-efficient storage on HDDs. The company also lifted its dividend by 20% to $0.15 per share and has secured hyperscaler contracts extending through 2028, with analysts like Wells Fargo maintaining a bullish outlook based on this multi-year demand visibility.